117690720 has 96 divisors (see below), whose sum is σ = 423698688. Its totient is φ = 26899968.

The previous prime is 117690719. The next prime is 117690721. The reversal of 117690720 is 27096711.

It is an interprime number because it is at equal distance from previous prime (117690719) and next prime (117690721).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×117690720² = 27702211148236800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117690721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14154 + ... + 20873.

It is an arithmetic number, because the mean of its divisors is an integer number (4413528).

Almost surely, 2^117690720 is an apocalyptic number.

117690720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117690720 is an abundant number, since it is smaller than the sum of its proper divisors (306007968).

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

117690720 is a wasteful number, since it uses less digits than its factorization.

117690720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35052 (or 35044 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 117690720 is about 10848.5353850186. The cubic root of 117690720 is about 490.0579134659.

The spelling of 117690720 in words is "one hundred seventeen million, six hundred ninety thousand, seven hundred twenty".