70985580 has 24 divisors (see below), whose sum is σ = 198759792. Its totient is φ = 18929472.

The previous prime is 70985569. The next prime is 70985597. The reversal of 70985580 is 8558907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591487 + ... + 591606.

It is an arithmetic number, because the mean of its divisors is an integer number (8281658).

Almost surely, 2^70985580 is an apocalyptic number.

It is an amenable number.

70985580 is an abundant number, since it is smaller than the sum of its proper divisors (127774212).

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

70985580 is a wasteful number, since it uses less digits than its factorization.

70985580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183105 (or 1183103 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 70985580 is about 8425.2940601501. The cubic root of 70985580 is about 414.0537399025.

The spelling of 70985580 in words is "seventy million, nine hundred eighty-five thousand, five hundred eighty".