68904874 has 8 divisors (see below), whose sum is σ = 103505220. Its totient is φ = 34403136.

The previous prime is 68904851. The next prime is 68904881. The reversal of 68904874 is 47840986.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67354849 + 1550025 = 8207^2 + 1245^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22879 + ... + 25714.

Almost surely, 2^68904874 is an apocalyptic number.

68904874 is a deficient number, since it is larger than the sum of its proper divisors (34600346).

68904874 is a wasteful number, since it uses less digits than its factorization.

68904874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49304.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 68904874 is about 8300.8959757366. The cubic root of 68904874 is about 409.9680205079.

The spelling of 68904874 in words is "sixty-eight million, nine hundred four thousand, eight hundred seventy-four".