537642756 has 72 divisors (see below), whose sum is σ = 1620737664. Its totient is φ = 146931840.

The previous prime is 537642739. The next prime is 537642769. The reversal of 537642756 is 657246735.

537642756 is a `hidden beast` number, since 5 + 376 + 4 + 275 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40585 + ... + 52176.

Almost surely, 2^537642756 is an apocalyptic number.

It is an amenable number.

537642756 is an abundant number, since it is smaller than the sum of its proper divisors (1083094908).

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

537642756 is a wasteful number, since it uses less digits than its factorization.

537642756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92801 (or 92796 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 537642756 is about 23187.1247894171. The cubic root of 537642756 is about 813.1386409532.

The spelling of 537642756 in words is "five hundred thirty-seven million, six hundred forty-two thousand, seven hundred fifty-six".