70985960 has 16 divisors (see below), whose sum is σ = 159718500. Its totient is φ = 28394368.

The previous prime is 70985951. The next prime is 70985963. The reversal of 70985960 is 6958907.

It can be written as a sum of positive squares in 2 ways, for example, as 69989956 + 996004 = 8366^2 + 998^2 .

It is not an unprimeable number, because it can be changed into a prime (70985963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887285 + ... + 887364.

Almost surely, 2^70985960 is an apocalyptic number.

It is an amenable number.

70985960 is an abundant number, since it is smaller than the sum of its proper divisors (88732540).

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

70985960 is a wasteful number, since it uses less digits than its factorization.

70985960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774660 (or 1774656 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 70985960 is about 8425.3166112616. The cubic root of 70985960 is about 414.0544787386.

The spelling of 70985960 in words is "seventy million, nine hundred eighty-five thousand, nine hundred sixty".