67804992 has 56 divisors (see below), whose sum is σ = 199339200. Its totient is φ = 22601088.

The previous prime is 67804991. The next prime is 67805009. The reversal of 67804992 is 29940876.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67804991) 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, 17892 + ... + 21347.

Almost surely, 2^67804992 is an apocalyptic number.

It is an amenable number.

67804992 is an abundant number, since it is smaller than the sum of its proper divisors (131534208).

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

67804992 is a wasteful number, since it uses less digits than its factorization.

67804992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39260 (or 39244 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 67804992 is about 8234.3786650846. The cubic root of 67804992 is about 407.7749624057.

The spelling of 67804992 in words is "sixty-seven million, eight hundred four thousand, nine hundred ninety-two".