117457272 has 24 divisors (see below), whose sum is σ = 318113640. Its totient is φ = 39152400.

The previous prime is 117457271. The next prime is 117457273. The reversal of 117457272 is 272754711.

117457272 is a `hidden beast` number, since 1 + 17 + 4 + 572 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (117457271) and next prime (117457273).

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117457271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 815604 + ... + 815747.

It is an arithmetic number, because the mean of its divisors is an integer number (13254735).

Almost surely, 2^117457272 is an apocalyptic number.

117457272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117457272 is an abundant number, since it is smaller than the sum of its proper divisors (200656368).

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

117457272 is a wasteful number, since it uses less digits than its factorization.

117457272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631363 (or 1631356 counting only the distinct ones).

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

The square root of 117457272 is about 10837.7706194586. The cubic root of 117457272 is about 489.7336772942.

The spelling of 117457272 in words is "one hundred seventeen million, four hundred fifty-seven thousand, two hundred seventy-two".