117990634 has 8 divisors (see below), whose sum is σ = 177072768. Its totient is φ = 58966380.

The previous prime is 117990623. The next prime is 117990637. The reversal of 117990634 is 436099711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (117990637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8952 + ... + 17779.

It is an arithmetic number, because the mean of its divisors is an integer number (22134096).

Almost surely, 2^117990634 is an apocalyptic number.

117990634 is a deficient number, since it is larger than the sum of its proper divisors (59082134).

117990634 is a wasteful number, since it uses less digits than its factorization.

117990634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28940.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 117990634 is about 10862.3493775518. The cubic root of 117990634 is about 490.4738356918.

The spelling of 117990634 in words is "one hundred seventeen million, nine hundred ninety thousand, six hundred thirty-four".