1307732072 has 32 divisors (see below), whose sum is σ = 2607438600. Its totient is φ = 612747264.

The previous prime is 1307732053. The next prime is 1307732087. The reversal of 1307732072 is 2702377031.

It can be written as a sum of positive squares in 4 ways, for example, as 698333476 + 609398596 = 26426^2 + 24686^2 .

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, 11054 + ... + 52322.

Almost surely, 2^1307732072 is an apocalyptic number.

It is an amenable number.

1307732072 is a deficient number, since it is larger than the sum of its proper divisors (1299706528).

1307732072 is a wasteful number, since it uses less digits than its factorization.

1307732072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41525 (or 41521 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 1307732072 is about 36162.5783372812. The cubic root of 1307732072 is about 1093.5523838151.

The spelling of 1307732072 in words is "one billion, three hundred seven million, seven hundred thirty-two thousand, seventy-two".