117842590 has 8 divisors (see below), whose sum is σ = 212116680. Its totient is φ = 47137032.

The previous prime is 117842587. The next prime is 117842591. The reversal of 117842590 is 95248711.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117842591) 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, 5892120 + ... + 5892139.

It is an arithmetic number, because the mean of its divisors is an integer number (26514585).

Almost surely, 2^117842590 is an apocalyptic number.

117842590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117842590 is a deficient number, since it is larger than the sum of its proper divisors (94274090).

117842590 is a wasteful number, since it uses less digits than its factorization.

117842590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11784266.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 117842590 is about 10855.5326907527. The cubic root of 117842590 is about 490.2686157346.

The spelling of 117842590 in words is "one hundred seventeen million, eight hundred forty-two thousand, five hundred ninety".