117073640 has 32 divisors (see below), whose sum is σ = 267739560. Its totient is φ = 46060800.

The previous prime is 117073613. The next prime is 117073643. The reversal of 117073640 is 46370711.

It can be written as a sum of positive squares in 4 ways, for example, as 45941284 + 71132356 = 6778^2 + 8434^2 .

It is not an unprimeable number, because it can be changed into a prime (117073643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21551 + ... + 26430.

Almost surely, 2^117073640 is an apocalyptic number.

117073640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117073640 is an abundant number, since it is smaller than the sum of its proper divisors (150665920).

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

117073640 is a wasteful number, since it uses less digits than its factorization.

117073640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48053 (or 48049 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 117073640 is about 10820.0573011422. The cubic root of 117073640 is about 489.1999160276.

The spelling of 117073640 in words is "one hundred seventeen million, seventy-three thousand, six hundred forty".