70521572 has 24 divisors (see below), whose sum is σ = 135626400. Its totient is φ = 31818560.

The previous prime is 70521569. The next prime is 70521589. The reversal of 70521572 is 27512507.

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, 179 + ... + 11877.

It is an arithmetic number, because the mean of its divisors is an integer number (5651100).

Almost surely, 2^70521572 is an apocalyptic number.

It is an amenable number.

70521572 is a deficient number, since it is larger than the sum of its proper divisors (65104828).

70521572 is a wasteful number, since it uses less digits than its factorization.

70521572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11851 (or 11849 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 70521572 is about 8397.7123075276. The cubic root of 70521572 is about 413.1495919943.

The spelling of 70521572 in words is "seventy million, five hundred twenty-one thousand, five hundred seventy-two".