117621330 has 32 divisors (see below), whose sum is σ = 282731904. Its totient is φ = 31316736.

The previous prime is 117621313. The next prime is 117621337. The reversal of 117621330 is 33126711.

It is a self number, because there is not a number n which added to its sum of digits gives 117621330.

It is not an unprimeable number, because it can be changed into a prime (117621337) 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, 19114 + ... + 24506.

It is an arithmetic number, because the mean of its divisors is an integer number (8835372).

Almost surely, 2^117621330 is an apocalyptic number.

117621330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117621330 is an abundant number, since it is smaller than the sum of its proper divisors (165110574).

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

117621330 is a wasteful number, since it uses less digits than its factorization.

117621330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6130.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 117621330 is about 10845.3367859186. The cubic root of 117621330 is about 489.9615824385.

The spelling of 117621330 in words is "one hundred seventeen million, six hundred twenty-one thousand, three hundred thirty".