67904328 has 32 divisors (see below), whose sum is σ = 178696800. Its totient is φ = 21443328.

The previous prime is 67904327. The next prime is 67904377. The reversal of 67904328 is 82340976.

It is a super-2 number, since 2×67904328² = 9221995522263168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67904327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74001 + ... + 74912.

It is an arithmetic number, because the mean of its divisors is an integer number (5584275).

Almost surely, 2^67904328 is an apocalyptic number.

It is an amenable number.

67904328 is an abundant number, since it is smaller than the sum of its proper divisors (110792472).

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

67904328 is a wasteful number, since it uses less digits than its factorization.

67904328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148941 (or 148937 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 67904328 is about 8240.4082423142. The cubic root of 67904328 is about 407.9739987275.

The spelling of 67904328 in words is "sixty-seven million, nine hundred four thousand, three hundred twenty-eight".