117372529 has 4 divisors (see below), whose sum is σ = 117471460. Its totient is φ = 117273600.

The previous prime is 117372523. The next prime is 117372553. The reversal of 117372529 is 925273711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 925273711 = 4271 ⋅216641.

It can be written as a sum of positive squares in 2 ways, for example, as 3459600 + 113912929 = 1860^2 + 10673^2 .

It is a cyclic number.

It is not a de Polignac number, because 117372529 - 2⁷ = 117372401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117372523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47664 + ... + 50065.

It is an arithmetic number, because the mean of its divisors is an integer number (29367865).

Almost surely, 2^117372529 is an apocalyptic number.

It is an amenable number.

117372529 is a deficient number, since it is larger than the sum of its proper divisors (98931).

117372529 is an equidigital number, since it uses as much as digits as its factorization.

117372529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98930.

The product of its digits is 26460, while the sum is 37.

The square root of 117372529 is about 10833.8603000039. The cubic root of 117372529 is about 489.6158713746.

The spelling of 117372529 in words is "one hundred seventeen million, three hundred seventy-two thousand, five hundred twenty-nine".