117672580 has 24 divisors (see below), whose sum is σ = 253792728. Its totient is φ = 45796608.

The previous prime is 117672563. The next prime is 117672593. The reversal of 117672580 is 85276711.

It can be written as a sum of positive squares in 4 ways, for example, as 40373316 + 77299264 = 6354^2 + 8792^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78769 + ... + 80248.

It is an arithmetic number, because the mean of its divisors is an integer number (10574697).

Almost surely, 2^117672580 is an apocalyptic number.

117672580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117672580 is an abundant number, since it is smaller than the sum of its proper divisors (136120148).

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

117672580 is a wasteful number, since it uses less digits than its factorization.

117672580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159063 (or 159061 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 117672580 is about 10847.6992952423. The cubic root of 117672580 is about 490.0327341730.

The spelling of 117672580 in words is "one hundred seventeen million, six hundred seventy-two thousand, five hundred eighty".