117452430 has 80 divisors (see below), whose sum is σ = 324434880. Its totient is φ = 30466368.

The previous prime is 117452369. The next prime is 117452431. The reversal of 117452430 is 34254711.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 117452394 and 117452403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117452431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28011 + ... + 31929.

It is an arithmetic number, because the mean of its divisors is an integer number (4055436).

Almost surely, 2^117452430 is an apocalyptic number.

117452430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117452430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162217440).

117452430 is an abundant number, since it is smaller than the sum of its proper divisors (206982450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117452430 is a wasteful number, since it uses less digits than its factorization.

117452430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975 (or 3966 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 117452430 is about 10837.5472317310. The cubic root of 117452430 is about 489.7269476895.

The spelling of 117452430 in words is "one hundred seventeen million, four hundred fifty-two thousand, four hundred thirty".