1057630370 has 16 divisors (see below), whose sum is σ = 1939655160. Its totient is φ = 415069824.

The previous prime is 1057630369. The next prime is 1057630373. The reversal of 1057630370 is 730367501.

It can be written as a sum of positive squares in 4 ways, for example, as 836424241 + 221206129 = 28921^2 + 14873^2 .

It is a super-2 number, since 2×1057630370² = 2237163999092673800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057630373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997235 + ... + 998294.

Almost surely, 2^1057630370 is an apocalyptic number.

1057630370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1057630370 is a deficient number, since it is larger than the sum of its proper divisors (882024790).

1057630370 is a wasteful number, since it uses less digits than its factorization.

1057630370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995589.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 1057630370 is about 32521.2295278023. The cubic root of 1057630370 is about 1018.8524740660.

Adding to 1057630370 its reverse (730367501), we get a palindrome (1787997871).

The spelling of 1057630370 in words is "one billion, fifty-seven million, six hundred thirty thousand, three hundred seventy".