117421716 has 24 divisors (see below), whose sum is σ = 285897024. Its totient is φ = 37438720.

The previous prime is 117421697. The next prime is 117421723. The reversal of 117421716 is 617124711.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212445 + ... + 212996.

It is an arithmetic number, because the mean of its divisors is an integer number (11912376).

Almost surely, 2^117421716 is an apocalyptic number.

It is an amenable number.

117421716 is an abundant number, since it is smaller than the sum of its proper divisors (168475308).

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

117421716 is a wasteful number, since it uses less digits than its factorization.

117421716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425471 (or 425469 counting only the distinct ones).

The product of its digits is 2352, while the sum is 30.

The square root of 117421716 is about 10836.1301210349. The cubic root of 117421716 is about 489.6842558389.

The spelling of 117421716 in words is "one hundred seventeen million, four hundred twenty-one thousand, seven hundred sixteen".