117557492 has 24 divisors (see below), whose sum is σ = 225188712. Its totient is φ = 53366400.

The previous prime is 117557491. The next prime is 117557497. The reversal of 117557492 is 294755711.

It can be written as a sum of positive squares in 4 ways, for example, as 1865956 + 115691536 = 1366^2 + 10756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117557491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15359 + ... + 21702.

It is an arithmetic number, because the mean of its divisors is an integer number (9382863).

Almost surely, 2^117557492 is an apocalyptic number.

It is an amenable number.

117557492 is a deficient number, since it is larger than the sum of its proper divisors (107631220).

117557492 is a wasteful number, since it uses less digits than its factorization.

117557492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37139 (or 37137 counting only the distinct ones).

The product of its digits is 88200, while the sum is 41.

The square root of 117557492 is about 10842.3932782389. The cubic root of 117557492 is about 489.8729255374.

The spelling of 117557492 in words is "one hundred seventeen million, five hundred fifty-seven thousand, four hundred ninety-two".