70619980 has 12 divisors (see below), whose sum is σ = 148302000. Its totient is φ = 28247984.

The previous prime is 70619963. The next prime is 70620007. The reversal of 70619980 is 8991607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1765480 + ... + 1765519.

It is an arithmetic number, because the mean of its divisors is an integer number (12358500).

Almost surely, 2^70619980 is an apocalyptic number.

It is an amenable number.

70619980 is an abundant number, since it is smaller than the sum of its proper divisors (77682020).

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

70619980 is a wasteful number, since it uses less digits than its factorization.

70619980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531008 (or 3531006 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 70619980 is about 8403.5694796914. The cubic root of 70619980 is about 413.3416766150.

The spelling of 70619980 in words is "seventy million, six hundred nineteen thousand, nine hundred eighty".