70725572 has 6 divisors (see below), whose sum is σ = 123769758. Its totient is φ = 35362784.

The previous prime is 70725527. The next prime is 70725587. The reversal of 70725572 is 27552707.

It can be written as a sum of positive squares in only one way, i.e., 63457156 + 7268416 = 7966^2 + 2696^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8840693 + ... + 8840700.

It is an arithmetic number, because the mean of its divisors is an integer number (20628293).

Almost surely, 2^70725572 is an apocalyptic number.

It is an amenable number.

70725572 is a deficient number, since it is larger than the sum of its proper divisors (53044186).

70725572 is a wasteful number, since it uses less digits than its factorization.

70725572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681397 (or 17681395 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 35.

The square root of 70725572 is about 8409.8497013918. The cubic root of 70725572 is about 413.5475854773.

The spelling of 70725572 in words is "seventy million, seven hundred twenty-five thousand, five hundred seventy-two".