117272040 has 64 divisors (see below), whose sum is σ = 358473600. Its totient is φ = 30680832.

The previous prime is 117271997. The next prime is 117272053. The reversal of 117272040 is 40272711.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 117272040.

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, 2860 + ... + 15579.

It is an arithmetic number, because the mean of its divisors is an integer number (5601150).

Almost surely, 2^117272040 is an apocalyptic number.

117272040 is a gapful number since it is divisible by the number (10) 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 117272040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179236800).

117272040 is an abundant number, since it is smaller than the sum of its proper divisors (241201560).

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

117272040 is a wasteful number, since it uses less digits than its factorization.

117272040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18506 (or 18502 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 117272040 is about 10829.2215786731. The cubic root of 117272040 is about 489.4761025615.

The spelling of 117272040 in words is "one hundred seventeen million, two hundred seventy-two thousand, forty".