70649572 has 18 divisors (see below), whose sum is σ = 143822742. Its totient is φ = 30278304.

The previous prime is 70649503. The next prime is 70649591. The reversal of 70649572 is 27594607.

It can be written as a sum of positive squares in only one way, i.e., 42198016 + 28451556 = 6496^2 + 5334^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 180033 + ... + 180424.

Almost surely, 2^70649572 is an apocalyptic number.

It is an amenable number.

70649572 is an abundant number, since it is smaller than the sum of its proper divisors (73173170).

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

70649572 is a wasteful number, since it uses less digits than its factorization.

70649572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360475 (or 360466 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 70649572 is about 8405.3299756761. The cubic root of 70649572 is about 413.3994029545.

The spelling of 70649572 in words is "seventy million, six hundred forty-nine thousand, five hundred seventy-two".