117073928 has 24 divisors (see below), whose sum is σ = 227357130. Its totient is φ = 56515200.

The previous prime is 117073927. The next prime is 117073939. The reversal of 117073928 is 829370711.

It can be written as a sum of positive squares in 3 ways, for example, as 105226564 + 11847364 = 10258^2 + 3442^2 .

It is a junction number, because it is equal to n+sod(n) for n = 117073891 and 117073900.

It is not an unprimeable number, because it can be changed into a prime (117073921) 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, 1973 + ... + 15428.

Almost surely, 2^117073928 is an apocalyptic number.

It is an amenable number.

117073928 is a deficient number, since it is larger than the sum of its proper divisors (110283202).

117073928 is a wasteful number, since it uses less digits than its factorization.

117073928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17465 (or 17432 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 117073928 is about 10820.0706097511. The cubic root of 117073928 is about 489.2003171695.

The spelling of 117073928 in words is "one hundred seventeen million, seventy-three thousand, nine hundred twenty-eight".