117649030 has 16 divisors (see below), whose sum is σ = 218600064. Its totient is φ = 45541440.

The previous prime is 117648929. The next prime is 117649031. The reversal of 117649030 is 30946711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 117648983 and 117649001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117649031) 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, 189447 + ... + 190066.

It is an arithmetic number, because the mean of its divisors is an integer number (13662504).

Almost surely, 2^117649030 is an apocalyptic number.

117649030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117649030 is a deficient number, since it is larger than the sum of its proper divisors (100951034).

117649030 is a wasteful number, since it uses less digits than its factorization.

117649030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379551.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 117649030 is about 10846.6137572977. The cubic root of 117649030 is about 490.0000416493. Note that the first 4 decimals are identical.

The spelling of 117649030 in words is "one hundred seventeen million, six hundred forty-nine thousand, thirty".