57920694 has 36 divisors (see below), whose sum is σ = 125964756. Its totient is φ = 17747184.

The previous prime is 57920689. The next prime is 57920719. The reversal of 57920694 is 49602975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 242227 + ... + 242465.

It is an arithmetic number, because the mean of its divisors is an integer number (3499021).

Almost surely, 2^57920694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57920694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62982378).

57920694 is an abundant number, since it is smaller than the sum of its proper divisors (68044062).

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

57920694 is a wasteful number, since it uses less digits than its factorization.

57920694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 57920694 is about 7610.5646308273. The cubic root of 57920694 is about 386.9111561508.

The spelling of 57920694 in words is "fifty-seven million, nine hundred twenty thousand, six hundred ninety-four".