3072507313 has 8 divisors (see below), whose sum is σ = 3093047496. Its totient is φ = 3052032000.

The previous prime is 3072507287. The next prime is 3072507329. The reversal of 3072507313 is 3137052703.

It can be written as a sum of positive squares in 4 ways, for example, as 2157323809 + 915183504 = 46447^2 + 30252^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3072507313 - 2¹³ = 3072499121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3072507413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80745 + ... + 112537.

It is an arithmetic number, because the mean of its divisors is an integer number (386630937).

Almost surely, 2^3072507313 is an apocalyptic number.

It is an amenable number.

3072507313 is a deficient number, since it is larger than the sum of its proper divisors (20540183).

3072507313 is a wasteful number, since it uses less digits than its factorization.

3072507313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32435.

The product of its (nonzero) digits is 13230, while the sum is 31.

The square root of 3072507313 is about 55430.2021735443. The cubic root of 3072507313 is about 1453.7764914670.

The spelling of 3072507313 in words is "three billion, seventy-two million, five hundred seven thousand, three hundred thirteen".