117245772 has 48 divisors (see below), whose sum is σ = 347397120. Its totient is φ = 33498576.

The previous prime is 117245759. The next prime is 117245783. The reversal of 117245772 is 277542711.

117245772 is a `hidden beast` number, since 11 + 72 + 4 + 577 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76788 + ... + 78299.

It is an arithmetic number, because the mean of its divisors is an integer number (7237440).

Almost surely, 2^117245772 is an apocalyptic number.

117245772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117245772 is an abundant number, since it is smaller than the sum of its proper divisors (230151348).

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

117245772 is a wasteful number, since it uses less digits than its factorization.

117245772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155107 (or 155099 counting only the distinct ones).

The product of its digits is 27440, while the sum is 36.

The square root of 117245772 is about 10828.0086811934. The cubic root of 117245772 is about 489.4395535871.

The spelling of 117245772 in words is "one hundred seventeen million, two hundred forty-five thousand, seven hundred seventy-two".