1137993472 has 72 divisors (see below), whose sum is σ = 2832100992. Its totient is φ = 443366400.

The previous prime is 1137993457. The next prime is 1137993511. The reversal of 1137993472 is 2743997311.

It is a super-2 number, since 2×1137993472² = 2590058284629229568, 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, 9154 + ... + 48577.

It is an arithmetic number, because the mean of its divisors is an integer number (39334736).

Almost surely, 2^1137993472 is an apocalyptic number.

It is an amenable number.

1137993472 is an abundant number, since it is smaller than the sum of its proper divisors (1694107520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1137993472 is an equidigital number, since it uses as much as digits as its factorization.

1137993472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57765 (or 57751 counting only the distinct ones).

The product of its digits is 285768, while the sum is 46.

The square root of 1137993472 is about 33734.1588304792. The cubic root of 1137993472 is about 1044.0306700130.

The spelling of 1137993472 in words is "one billion, one hundred thirty-seven million, nine hundred ninety-three thousand, four hundred seventy-two".