57143370 has 32 divisors (see below), whose sum is σ = 138483072. Its totient is φ = 15089472.

The previous prime is 57143363. The next prime is 57143407. The reversal of 57143370 is 7334175.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6157 + ... + 12336.

It is an arithmetic number, because the mean of its divisors is an integer number (4327596).

Almost surely, 2^57143370 is an apocalyptic number.

57143370 is an abundant number, since it is smaller than the sum of its proper divisors (81339702).

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

57143370 is a wasteful number, since it uses less digits than its factorization.

57143370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18606.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 57143370 is about 7559.3233824199. The cubic root of 57143370 is about 385.1725094117.

The spelling of 57143370 in words is "fifty-seven million, one hundred forty-three thousand, three hundred seventy".