67161304 has 16 divisors (see below), whose sum is σ = 143917200. Its totient is φ = 28783392.

The previous prime is 67161301. The next prime is 67161329. The reversal of 67161304 is 40316176.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67161301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599599 + ... + 599710.

It is an arithmetic number, because the mean of its divisors is an integer number (8994825).

Almost surely, 2^67161304 is an apocalyptic number.

It is an amenable number.

67161304 is an abundant number, since it is smaller than the sum of its proper divisors (76755896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67161304 is a wasteful number, since it uses less digits than its factorization.

67161304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199322 (or 1199318 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 67161304 is about 8195.2000585709. The cubic root of 67161304 is about 406.4804910888.

The spelling of 67161304 in words is "sixty-seven million, one hundred sixty-one thousand, three hundred four".