3207974625 has 80 divisors (see below), whose sum is σ = 6041754576. Its totient is φ = 1693440000.

The previous prime is 3207974621. The next prime is 3207974663. The reversal of 3207974625 is 5264797023.

It can be written as a sum of positive squares in 8 ways, for example, as 12446784 + 3195527841 = 3528^2 + 56529^2 .

It is not a de Polignac number, because 3207974625 - 2² = 3207974621 is a prime.

It is a super-2 number, since 2×3207974625² = 20582202389287781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3207974621) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1021057 + ... + 1024193.

Almost surely, 2^3207974625 is an apocalyptic number.

It is an amenable number.

3207974625 is a deficient number, since it is larger than the sum of its proper divisors (2833779951).

3207974625 is a wasteful number, since it uses less digits than its factorization.

3207974625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265 (or 3246 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 3207974625 is about 56638.9850279823. The cubic root of 3207974625 is about 1474.8356994048.

The spelling of 3207974625 in words is "three billion, two hundred seven million, nine hundred seventy-four thousand, six hundred twenty-five".