68904232 has 32 divisors (see below), whose sum is σ = 136778400. Its totient is φ = 32485824.

The previous prime is 68904229. The next prime is 68904233. The reversal of 68904232 is 23240986.

It is not an unprimeable number, because it can be changed into a prime (68904233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6523 + ... + 13429.

It is an arithmetic number, because the mean of its divisors is an integer number (4274325).

Almost surely, 2^68904232 is an apocalyptic number.

It is an amenable number.

68904232 is a deficient number, since it is larger than the sum of its proper divisors (67874168).

68904232 is a wasteful number, since it uses less digits than its factorization.

68904232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6985 (or 6981 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 68904232 is about 8300.8573051222. The cubic root of 68904232 is about 409.9667472536.

The spelling of 68904232 in words is "sixty-eight million, nine hundred four thousand, two hundred thirty-two".