70807992 has 32 divisors (see below), whose sum is σ = 187434000. Its totient is φ = 22214144.

The previous prime is 70807951. The next prime is 70807993. The reversal of 70807992 is 29970807.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70807993) 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, 86367 + ... + 87182.

Almost surely, 2^70807992 is an apocalyptic number.

It is an amenable number.

70807992 is an abundant number, since it is smaller than the sum of its proper divisors (116626008).

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

70807992 is a wasteful number, since it uses less digits than its factorization.

70807992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173575 (or 173571 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 70807992 is about 8414.7484810896. The cubic root of 70807992 is about 413.7081655874.

The spelling of 70807992 in words is "seventy million, eight hundred seven thousand, nine hundred ninety-two".