1057734771 has 16 divisors (see below), whose sum is σ = 1420651008. Its totient is φ = 700005600.

The previous prime is 1057734761. The next prime is 1057734773. The reversal of 1057734771 is 1774377501.

It is not a de Polignac number, because 1057734771 - 2⁹ = 1057734259 is a prime.

It is a super-2 number, since 2×1057734771² = 2237605691564844882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057734773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270885 + ... + 274761.

It is an arithmetic number, because the mean of its divisors is an integer number (88790688).

Almost surely, 2^1057734771 is an apocalyptic number.

1057734771 is a deficient number, since it is larger than the sum of its proper divisors (362916237).

1057734771 is a wasteful number, since it uses less digits than its factorization.

1057734771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522.

The product of its (nonzero) digits is 144060, while the sum is 42.

The square root of 1057734771 is about 32522.8346089328. The cubic root of 1057734771 is about 1018.8859973461.

The spelling of 1057734771 in words is "one billion, fifty-seven million, seven hundred thirty-four thousand, seven hundred seventy-one".