68904134 has 32 divisors (see below), whose sum is σ = 117137664. Its totient is φ = 30176640.

The previous prime is 68904109. The next prime is 68904139. The reversal of 68904134 is 43140986.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68904094 and 68904103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68904139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41912 + ... + 43524.

It is an arithmetic number, because the mean of its divisors is an integer number (3660552).

Almost surely, 2^68904134 is an apocalyptic number.

68904134 is a deficient number, since it is larger than the sum of its proper divisors (48233530).

68904134 is a wasteful number, since it uses less digits than its factorization.

68904134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 68904134 is about 8300.8514021153. The cubic root of 68904134 is about 409.9665528932.

The spelling of 68904134 in words is "sixty-eight million, nine hundred four thousand, one hundred thirty-four".