207640552 has 16 divisors (see below), whose sum is σ = 444944160. Its totient is φ = 88988784.

The previous prime is 207640541. The next prime is 207640579. The reversal of 207640552 is 255046702.

It is a super-2 number, since 2×207640552² = 86229197669729408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853878 + ... + 1853989.

It is an arithmetic number, because the mean of its divisors is an integer number (27809010).

Almost surely, 2^207640552 is an apocalyptic number.

It is an amenable number.

207640552 is an abundant number, since it is smaller than the sum of its proper divisors (237303608).

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

207640552 is a wasteful number, since it uses less digits than its factorization.

207640552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707880 (or 3707876 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 207640552 is about 14409.7380961626. The cubic root of 207640552 is about 592.1577145537.

The spelling of 207640552 in words is "two hundred seven million, six hundred forty thousand, five hundred fifty-two".