1172672732 has 24 divisors (see below), whose sum is σ = 2558559360. Its totient is φ = 456885360.

The previous prime is 1172672729. The next prime is 1172672747. The reversal of 1172672732 is 2372762711.

It is a super-2 number, since 2×1172672732² = 2750322672752687648, 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, 1903382 + ... + 1903997.

It is an arithmetic number, because the mean of its divisors is an integer number (106606640).

Almost surely, 2^1172672732 is an apocalyptic number.

It is an amenable number.

1172672732 is an abundant number, since it is smaller than the sum of its proper divisors (1385886628).

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

1172672732 is a wasteful number, since it uses less digits than its factorization.

1172672732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807401 (or 3807399 counting only the distinct ones).

The product of its digits is 49392, while the sum is 38.

The square root of 1172672732 is about 34244.3094834748. The cubic root of 1172672732 is about 1054.5300069558.

The spelling of 1172672732 in words is "one billion, one hundred seventy-two million, six hundred seventy-two thousand, seven hundred thirty-two".