2531736972 has 60 divisors (see below), whose sum is σ = 6772415496. Its totient is φ = 824281920.

The previous prime is 2531736959. The next prime is 2531736997. The reversal of 2531736972 is 2796371352.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 76929 + ... + 104792.

Almost surely, 2^2531736972 is an apocalyptic number.

It is an amenable number.

2531736972 is an abundant number, since it is smaller than the sum of its proper divisors (4240678524).

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

2531736972 is a wasteful number, since it uses less digits than its factorization.

2531736972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181780 (or 181769 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 2531736972 is about 50316.3688276489. The cubic root of 2531736972 is about 1362.9278352522.

The spelling of 2531736972 in words is "two billion, five hundred thirty-one million, seven hundred thirty-six thousand, nine hundred seventy-two".