3124641672 has 48 divisors (see below), whose sum is σ = 8486887500. Its totient is φ = 1038554496.

The previous prime is 3124641661. The next prime is 3124641673. The reversal of 3124641672 is 2761464213.

3124641672 is a `hidden beast` number, since 3 + 1 + 2 + 4 + 641 + 6 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2668135716 + 456505956 = 51654^2 + 21366^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3124641673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37047 + ... + 87302.

Almost surely, 2^3124641672 is an apocalyptic number.

It is an amenable number.

3124641672 is an abundant number, since it is smaller than the sum of its proper divisors (5362245828).

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

3124641672 is a wasteful number, since it uses less digits than its factorization.

3124641672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124710 (or 124703 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 3124641672 is about 55898.4943625497. The cubic root of 3124641672 is about 1461.9529865743.

The spelling of 3124641672 in words is "three billion, one hundred twenty-four million, six hundred forty-one thousand, six hundred seventy-two".