1057994974 has 12 divisors (see below), whose sum is σ = 1674915624. Its totient is φ = 501155172.

The previous prime is 1057994911. The next prime is 1057994981. The reversal of 1057994974 is 4794997501.

It is a super-2 number, since 2×1057994974² = 2238706730018521352, 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 5 ways as a sum of consecutive naturals, for example, 731962 + ... + 733405.

It is an arithmetic number, because the mean of its divisors is an integer number (139576302).

Almost surely, 2^1057994974 is an apocalyptic number.

1057994974 is a deficient number, since it is larger than the sum of its proper divisors (616920650).

1057994974 is a wasteful number, since it uses less digits than its factorization.

1057994974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465407 (or 1465388 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 55.

The square root of 1057994974 is about 32526.8346753876. The cubic root of 1057994974 is about 1018.9695392269.

The spelling of 1057994974 in words is "one billion, fifty-seven million, nine hundred ninety-four thousand, nine hundred seventy-four".