117290475 has 36 divisors (see below), whose sum is σ = 210685176. Its totient is φ = 62375040.

The previous prime is 117290473. The next prime is 117290483. The reversal of 117290475 is 574092711.

It is a happy number.

It is not a de Polignac number, because 117290475 - 2¹ = 117290473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117290473) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 122599 + ... + 123551.

It is an arithmetic number, because the mean of its divisors is an integer number (5852366).

Almost surely, 2^117290475 is an apocalyptic number.

117290475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117290475 is a deficient number, since it is larger than the sum of its proper divisors (93394701).

117290475 is a wasteful number, since it uses less digits than its factorization.

117290475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1508 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 117290475 is about 10830.0727144373. The cubic root of 117290475 is about 489.5017495363.

The spelling of 117290475 in words is "one hundred seventeen million, two hundred ninety thousand, four hundred seventy-five".