117530990 has 16 divisors (see below), whose sum is σ = 211706352. Its totient is φ = 46978944.

The previous prime is 117530977. The next prime is 117531019. The reversal of 117530990 is 99035711.

It is a super-2 number, since 2×117530990² = 27627067220760200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117530990.

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, 14582 + ... + 21158.

It is an arithmetic number, because the mean of its divisors is an integer number (13231647).

Almost surely, 2^117530990 is an apocalyptic number.

117530990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117530990 is a deficient number, since it is larger than the sum of its proper divisors (94175362).

117530990 is a wasteful number, since it uses less digits than its factorization.

117530990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8371.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 117530990 is about 10841.1710622054. The cubic root of 117530990 is about 489.8361106770.

The spelling of 117530990 in words is "one hundred seventeen million, five hundred thirty thousand, nine hundred ninety".