117993472 has 26 divisors (see below), whose sum is σ = 235966328. Its totient is φ = 58994688.

The previous prime is 117993467. The next prime is 117993479. The reversal of 117993472 is 274399711.

It is a happy number.

It is a super-2 number, since 2×117993472² = 27844918869229568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117993479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10308 + ... + 18499.

It is an arithmetic number, because the mean of its divisors is an integer number (9075628).

Almost surely, 2^117993472 is an apocalyptic number.

It is an amenable number.

117993472 is a deficient number, since it is larger than the sum of its proper divisors (117972856).

117993472 is an frugal number, since it uses more digits than its factorization.

117993472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28831 (or 28809 counting only the distinct ones).

The product of its digits is 95256, while the sum is 43.

The square root of 117993472 is about 10862.4800114891. The cubic root of 117993472 is about 490.4777680762.

The spelling of 117993472 in words is "one hundred seventeen million, nine hundred ninety-three thousand, four hundred seventy-two".