117620424 has 40 divisors (see below), whose sum is σ = 329447910. Its totient is φ = 39206592.

The previous prime is 117620411. The next prime is 117620429. The reversal of 117620424 is 424026711.

117620424 is a `hidden beast` number, since 1 + 17 + 620 + 4 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 116251524 + 1368900 = 10782^2 + 1170^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (117620429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 90109 + ... + 91404.

Almost surely, 2^117620424 is an apocalyptic number.

It is an amenable number.

117620424 is an abundant number, since it is smaller than the sum of its proper divisors (211827486).

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

117620424 is a wasteful number, since it uses less digits than its factorization.

117620424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181531 (or 181518 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 117620424 is about 10845.2950167342. The cubic root of 117620424 is about 489.9603244288.

The spelling of 117620424 in words is "one hundred seventeen million, six hundred twenty thousand, four hundred twenty-four".