68905476 has 72 divisors (see below), whose sum is σ = 184984800. Its totient is φ = 21565440.

The previous prime is 68905469. The next prime is 68905481. The reversal of 68905476 is 67450986.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89220 + ... + 89988.

Almost surely, 2^68905476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68905476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92492400).

68905476 is an abundant number, since it is smaller than the sum of its proper divisors (116079324).

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

68905476 is a wasteful number, since it uses less digits than its factorization.

68905476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 68905476 is about 8300.9322368033. The cubic root of 68905476 is about 409.9692144245.

The spelling of 68905476 in words is "sixty-eight million, nine hundred five thousand, four hundred seventy-six".