1057725776 has 20 divisors (see below), whose sum is σ = 2053803444. Its totient is φ = 527712000.

The previous prime is 1057725761. The next prime is 1057725803. The reversal of 1057725776 is 6775277501.

It can be written as a sum of positive squares in 2 ways, for example, as 716954176 + 340771600 = 26776^2 + 18460^2 .

It is a super-2 number, since 2×1057725776² = 2237567634429604352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057725776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64325 + ... + 79076.

Almost surely, 2^1057725776 is an apocalyptic number.

1057725776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1057725776 is a deficient number, since it is larger than the sum of its proper divisors (996077668).

1057725776 is a wasteful number, since it uses less digits than its factorization.

1057725776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143870 (or 143864 counting only the distinct ones).

The product of its (nonzero) digits is 720300, while the sum is 47.

The square root of 1057725776 is about 32522.6963211847. The cubic root of 1057725776 is about 1018.8831091282.

It can be divided in two parts, 1057725 and 776, that added together give a palindrome (1058501).

The spelling of 1057725776 in words is "one billion, fifty-seven million, seven hundred twenty-five thousand, seven hundred seventy-six".