57717740 has 12 divisors (see below), whose sum is σ = 121207296. Its totient is φ = 23087088.

The previous prime is 57717733. The next prime is 57717749. The reversal of 57717740 is 4771775.

It is a junction number, because it is equal to n+sod(n) for n = 57717694 and 57717703.

It is not an unprimeable number, because it can be changed into a prime (57717749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442924 + ... + 1442963.

It is an arithmetic number, because the mean of its divisors is an integer number (10100608).

Almost surely, 2^57717740 is an apocalyptic number.

It is an amenable number.

57717740 is an abundant number, since it is smaller than the sum of its proper divisors (63489556).

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

57717740 is a wasteful number, since it uses less digits than its factorization.

57717740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885896 (or 2885894 counting only the distinct ones).

The product of its (nonzero) digits is 48020, while the sum is 38.

The square root of 57717740 is about 7597.2192281123. The cubic root of 57717740 is about 386.4587153065.

The spelling of 57717740 in words is "fifty-seven million, seven hundred seventeen thousand, seven hundred forty".