70886980 has 24 divisors (see below), whose sum is σ = 150659712. Its totient is φ = 28012512.

The previous prime is 70886971. The next prime is 70886983. The reversal of 70886980 is 8968807.

It is a self number, because there is not a number n which added to its sum of digits gives 70886980.

It is not an unprimeable number, because it can be changed into a prime (70886983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19692 + ... + 23011.

It is an arithmetic number, because the mean of its divisors is an integer number (6277488).

Almost surely, 2^70886980 is an apocalyptic number.

It is an amenable number.

70886980 is an abundant number, since it is smaller than the sum of its proper divisors (79772732).

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

70886980 is a wasteful number, since it uses less digits than its factorization.

70886980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42795 (or 42793 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 70886980 is about 8419.4405989947. The cubic root of 70886980 is about 413.8619421888.

The spelling of 70886980 in words is "seventy million, eight hundred eighty-six thousand, nine hundred eighty".