117437904 has 80 divisors (see below), whose sum is σ = 356941440. Its totient is φ = 36840960.

The previous prime is 117437897. The next prime is 117437909. The reversal of 117437904 is 409734711.

It is a super-2 number, since 2×117437904² = 27583322591826432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117437909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652 + ... + 15339.

It is an arithmetic number, because the mean of its divisors is an integer number (4461768).

Almost surely, 2^117437904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117437904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178470720).

117437904 is an abundant number, since it is smaller than the sum of its proper divisors (239503536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117437904 is a wasteful number, since it uses less digits than its factorization.

117437904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16025 (or 16013 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 117437904 is about 10836.8770409191. The cubic root of 117437904 is about 489.7067577654.

It can be divided in two parts, 117437 and 904, that added together give a triangular number (118341 = T₄₈₆).

The spelling of 117437904 in words is "one hundred seventeen million, four hundred thirty-seven thousand, nine hundred four".