117073520 has 40 divisors (see below), whose sum is σ = 278534256. Its totient is φ = 45739008.

The previous prime is 117073511. The next prime is 117073547. The reversal of 117073520 is 25370711.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 117073520.

It is a congruent number.

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, 13577 + ... + 20456.

Almost surely, 2^117073520 is an apocalyptic number.

117073520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117073520 is an abundant number, since it is smaller than the sum of its proper divisors (161460736).

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

117073520 is a wasteful number, since it uses less digits than its factorization.

117073520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34089 (or 34083 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 117073520 is about 10820.0517558836. The cubic root of 117073520 is about 489.1997488849.

The spelling of 117073520 in words is "one hundred seventeen million, seventy-three thousand, five hundred twenty".