117214720 has 160 divisors (see below), whose sum is σ = 333121536. Its totient is φ = 38707200.

The previous prime is 117214697. The next prime is 117214729. The reversal of 117214720 is 27412711.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117214729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555415 + ... + 555625.

Almost surely, 2^117214720 is an apocalyptic number.

117214720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117214720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166560768).

117214720 is an abundant number, since it is smaller than the sum of its proper divisors (215906816).

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

117214720 is an equidigital number, since it uses as much as digits as its factorization.

117214720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 117214720 is about 10826.5747122532. The cubic root of 117214720 is about 489.3963411719.

The spelling of 117214720 in words is "one hundred seventeen million, two hundred fourteen thousand, seven hundred twenty".