70557672 has 32 divisors (see below), whose sum is σ = 176882400. Its totient is φ = 23454144.

The previous prime is 70557661. The next prime is 70557673. The reversal of 70557672 is 27675507.

It is a self number, because there is not a number n which added to its sum of digits gives 70557672.

It is not an unprimeable number, because it can be changed into a prime (70557673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5218 + ... + 12974.

It is an arithmetic number, because the mean of its divisors is an integer number (5527575).

Almost surely, 2^70557672 is an apocalyptic number.

It is an amenable number.

70557672 is an abundant number, since it is smaller than the sum of its proper divisors (106324728).

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

70557672 is a wasteful number, since it uses less digits than its factorization.

70557672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8145 (or 8141 counting only the distinct ones).

The product of its (nonzero) digits is 102900, while the sum is 39.

The square root of 70557672 is about 8399.8614274284. The cubic root of 70557672 is about 413.2200770748.

The spelling of 70557672 in words is "seventy million, five hundred fifty-seven thousand, six hundred seventy-two".