70725544 has 16 divisors (see below), whose sum is σ = 132714900. Its totient is φ = 35334912.

The previous prime is 70725527. The next prime is 70725587. The reversal of 70725544 is 44552707.

It can be written as a sum of positive squares in 2 ways, for example, as 68260644 + 2464900 = 8262^2 + 1570^2 .

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, 10704 + ... + 16000.

Almost surely, 2^70725544 is an apocalyptic number.

It is an amenable number.

70725544 is a deficient number, since it is larger than the sum of its proper divisors (61989356).

70725544 is a wasteful number, since it uses less digits than its factorization.

70725544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6972 (or 6968 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 70725544 is about 8409.8480366770. The cubic root of 70725544 is about 413.5475309033.

The spelling of 70725544 in words is "seventy million, seven hundred twenty-five thousand, five hundred forty-four".