117473517 has 32 divisors (see below), whose sum is σ = 199445760. Its totient is φ = 66942720.

The previous prime is 117473471. The next prime is 117473533. The reversal of 117473517 is 715374711.

117473517 is a `hidden beast` number, since 1 + 1 + 74 + 73 + 517 = 666.

It is not a de Polignac number, because 117473517 - 2⁶ = 117473453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117473567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97873 + ... + 99065.

It is an arithmetic number, because the mean of its divisors is an integer number (6232680).

Almost surely, 2^117473517 is an apocalyptic number.

It is an amenable number.

117473517 is a deficient number, since it is larger than the sum of its proper divisors (81972243).

117473517 is a wasteful number, since it uses less digits than its factorization.

117473517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730 (or 1724 counting only the distinct ones).

The product of its digits is 20580, while the sum is 36.

The square root of 117473517 is about 10838.5200558010. The cubic root of 117473517 is about 489.7562538923.

It can be divided in two parts, 1174 and 73517, that added together give a triangular number (74691 = T₃₈₆).

The spelling of 117473517 in words is "one hundred seventeen million, four hundred seventy-three thousand, five hundred seventeen".