117572868 has 72 divisors (see below), whose sum is σ = 346102848. Its totient is φ = 32954688.

The previous prime is 117572839. The next prime is 117572869. The reversal of 117572868 is 868275711.

It is a happy number.

117572868 is a `hidden beast` number, since 1 + 17 + 572 + 8 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (117572869) 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 in 23 ways as a sum of consecutive naturals, for example, 8955 + ... + 17757.

It is an arithmetic number, because the mean of its divisors is an integer number (4806984).

Almost surely, 2^117572868 is an apocalyptic number.

117572868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117572868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173051424).

117572868 is an abundant number, since it is smaller than the sum of its proper divisors (228529980).

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

117572868 is a wasteful number, since it uses less digits than its factorization.

117572868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8873 (or 8868 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

The square root of 117572868 is about 10843.1023235972. The cubic root of 117572868 is about 489.8942823437.

It can be divided in two parts, 117 and 572868, that added together give a triangular number (572985 = T₁₀₇₀).

The spelling of 117572868 in words is "one hundred seventeen million, five hundred seventy-two thousand, eight hundred sixty-eight".