2687531572 has 12 divisors (see below), whose sum is σ = 5130742176. Its totient is φ = 1221605240.

The previous prime is 2687531557. The next prime is 2687531611. The reversal of 2687531572 is 2751357862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30540088 + ... + 30540175.

It is an arithmetic number, because the mean of its divisors is an integer number (427561848).

Almost surely, 2^2687531572 is an apocalyptic number.

2687531572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2687531572 is a deficient number, since it is larger than the sum of its proper divisors (2443210604).

2687531572 is a wasteful number, since it uses less digits than its factorization.

2687531572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61080278 (or 61080276 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The square root of 2687531572 is about 51841.4078898326. The cubic root of 2687531572 is about 1390.3298859902.

The spelling of 2687531572 in words is "two billion, six hundred eighty-seven million, five hundred thirty-one thousand, five hundred seventy-two".