57990742 has 8 divisors (see below), whose sum is σ = 87103296. Its totient is φ = 28956312.

The previous prime is 57990733. The next prime is 57990743. The reversal of 57990742 is 24709975.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57990743) 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, 17638 + ... + 20665.

It is an arithmetic number, because the mean of its divisors is an integer number (10887912).

Almost surely, 2^57990742 is an apocalyptic number.

57990742 is a deficient number, since it is larger than the sum of its proper divisors (29112554).

57990742 is a wasteful number, since it uses less digits than its factorization.

57990742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39062.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 57990742 is about 7615.1652641292. The cubic root of 57990742 is about 387.0670672335.

The spelling of 57990742 in words is "fifty-seven million, nine hundred ninety thousand, seven hundred forty-two".