1057870672 has 40 divisors (see below), whose sum is σ = 2114864640. Its totient is φ = 512353920.

The previous prime is 1057870661. The next prime is 1057870739. The reversal of 1057870672 is 2760787501.

It is a super-2 number, since 2×1057870672² = 2238180717355463168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59097 + ... + 74887.

It is an arithmetic number, because the mean of its divisors is an integer number (52871616).

Almost surely, 2^1057870672 is an apocalyptic number.

It is an amenable number.

1057870672 is a deficient number, since it is larger than the sum of its proper divisors (1056993968).

1057870672 is a wasteful number, since it uses less digits than its factorization.

1057870672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15931 (or 15925 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 43.

The square root of 1057870672 is about 32524.9238584812. The cubic root of 1057870672 is about 1018.9296320076.

The spelling of 1057870672 in words is "one billion, fifty-seven million, eight hundred seventy thousand, six hundred seventy-two".