67420053 has 8 divisors (see below), whose sum is σ = 99881600. Its totient is φ = 44946684.

The previous prime is 67420051. The next prime is 67420057. The reversal of 67420053 is 35002476.

It is a happy number.

It is not a de Polignac number, because 67420053 - 2¹ = 67420051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2497039 = 67420053 / (6 + 7 + 4 + 2 + 0 + 0 + 5 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67419999 and 67420026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67420051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248493 + ... + 1248546.

It is an arithmetic number, because the mean of its divisors is an integer number (12485200).

Almost surely, 2^67420053 is an apocalyptic number.

It is an amenable number.

67420053 is a deficient number, since it is larger than the sum of its proper divisors (32461547).

67420053 is a wasteful number, since it uses less digits than its factorization.

67420053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497048 (or 2497042 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 67420053 is about 8210.9715015947. The cubic root of 67420053 is about 407.0018311730.

The spelling of 67420053 in words is "sixty-seven million, four hundred twenty thousand, fifty-three".