70331980 has 12 divisors (see below), whose sum is σ = 147697200. Its totient is φ = 28132784.

The previous prime is 70331969. The next prime is 70331981. The reversal of 70331980 is 8913307.

It is not an unprimeable number, because it can be changed into a prime (70331981) 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 3 ways as a sum of consecutive naturals, for example, 1758280 + ... + 1758319.

It is an arithmetic number, because the mean of its divisors is an integer number (12308100).

Almost surely, 2^70331980 is an apocalyptic number.

It is an amenable number.

70331980 is an abundant number, since it is smaller than the sum of its proper divisors (77365220).

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

70331980 is a wasteful number, since it uses less digits than its factorization.

70331980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516608 (or 3516606 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 70331980 is about 8386.4163979616. The cubic root of 70331980 is about 412.7790190621.

The spelling of 70331980 in words is "seventy million, three hundred thirty-one thousand, nine hundred eighty".