117574749 has 24 divisors (see below), whose sum is σ = 174791552. Its totient is φ = 76127040.

The previous prime is 117574733. The next prime is 117574763. The reversal of 117574749 is 947475711.

117574749 is a `hidden beast` number, since 1 + 1 + 7 + 574 + 74 + 9 = 666.

It is not a de Polignac number, because 117574749 - 2⁴ = 117574733 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117574799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42684 + ... + 45354.

Almost surely, 2^117574749 is an apocalyptic number.

It is an amenable number.

117574749 is a deficient number, since it is larger than the sum of its proper divisors (57216803).

117574749 is a wasteful number, since it uses less digits than its factorization.

117574749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817 (or 2814 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 117574749 is about 10843.1890604194. The cubic root of 117574749 is about 489.8968948688.

The spelling of 117574749 in words is "one hundred seventeen million, five hundred seventy-four thousand, seven hundred forty-nine".