70707992 has 16 divisors (see below), whose sum is σ = 132975960. Its totient is φ = 35247744.

The previous prime is 70707983. The next prime is 70708013. The reversal of 70707992 is 29970707.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10418 + ... + 15809.

Almost surely, 2^70707992 is an apocalyptic number.

It is an amenable number.

70707992 is a deficient number, since it is larger than the sum of its proper divisors (62267968).

70707992 is a wasteful number, since it uses less digits than its factorization.

70707992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26570 (or 26566 counting only the distinct ones).

The product of its (nonzero) digits is 55566, while the sum is 41.

The square root of 70707992 is about 8408.8044334495. The cubic root of 70707992 is about 413.5133179613.

The spelling of 70707992 in words is "seventy million, seven hundred seven thousand, nine hundred ninety-two".