117486730 has 16 divisors (see below), whose sum is σ = 216634824. Its totient is φ = 45848320.

The previous prime is 117486703. The next prime is 117486731. The reversal of 117486730 is 37684711.

It can be written as a sum of positive squares in 4 ways, for example, as 41744521 + 75742209 = 6461^2 + 8703^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 117486730.

It is not an unprimeable number, because it can be changed into a prime (117486731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142867 + ... + 143686.

Almost surely, 2^117486730 is an apocalyptic number.

117486730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117486730 is a deficient number, since it is larger than the sum of its proper divisors (99148094).

117486730 is a wasteful number, since it uses less digits than its factorization.

117486730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286601.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 117486730 is about 10839.1295775999. The cubic root of 117486730 is about 489.7746152130.

The spelling of 117486730 in words is "one hundred seventeen million, four hundred eighty-six thousand, seven hundred thirty".