70570992 has 80 divisors (see below), whose sum is σ = 192487680. Its totient is φ = 22235136.

The previous prime is 70570987. The next prime is 70571009. The reversal of 70570992 is 29907507.

It is a self number, because there is not a number n which added to its sum of digits gives 70570992.

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 15 ways as a sum of consecutive naturals, for example, 106759 + ... + 107417.

It is an arithmetic number, because the mean of its divisors is an integer number (2406096).

Almost surely, 2^70570992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70570992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96243840).

70570992 is an abundant number, since it is smaller than the sum of its proper divisors (121916688).

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

70570992 is a wasteful number, since it uses less digits than its factorization.

70570992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 70570992 is about 8400.6542602347. The cubic root of 70570992 is about 413.2460782402.

The spelling of 70570992 in words is "seventy million, five hundred seventy thousand, nine hundred ninety-two".