117570402 has 72 divisors (see below), whose sum is σ = 274564836. Its totient is φ = 36347904.

The previous prime is 117570373. The next prime is 117570403. The reversal of 117570402 is 204075711.

It can be written as a sum of positive squares in 6 ways, for example, as 71723961 + 45846441 = 8469^2 + 6771^2 .

It is not an unprimeable number, because it can be changed into a prime (117570403) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 504478 + ... + 504710.

Almost surely, 2^117570402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117570402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137282418).

117570402 is an abundant number, since it is smaller than the sum of its proper divisors (156994434).

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

117570402 is a wasteful number, since it uses less digits than its factorization.

117570402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 117570402 is about 10842.9886101573. The cubic root of 117570402 is about 489.8908572684.

The spelling of 117570402 in words is "one hundred seventeen million, five hundred seventy thousand, four hundred two".