67038885 has 12 divisors (see below), whose sum is σ = 116200812. Its totient is φ = 35754048.

The previous prime is 67038883. The next prime is 67038887. The reversal of 67038885 is 58883076.

It is an interprime number because it is at equal distance from previous prime (67038883) and next prime (67038887).

It can be written as a sum of positive squares in 2 ways, for example, as 27311076 + 39727809 = 5226^2 + 6303^2 .

It is not a de Polignac number, because 67038885 - 2¹ = 67038883 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1489753 = 67038885 / (6 + 7 + 0 + 3 + 8 + 8 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 67038885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67038883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 744832 + ... + 744921.

It is an arithmetic number, because the mean of its divisors is an integer number (9683401).

Almost surely, 2^67038885 is an apocalyptic number.

It is an amenable number.

67038885 is a deficient number, since it is larger than the sum of its proper divisors (49161927).

67038885 is a wasteful number, since it uses less digits than its factorization.

67038885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489764 (or 1489761 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 67038885 is about 8187.7277067572. The cubic root of 67038885 is about 406.2333686288.

The spelling of 67038885 in words is "sixty-seven million, thirty-eight thousand, eight hundred eighty-five".