70894660 has 12 divisors (see below), whose sum is σ = 148878828. Its totient is φ = 28357856.

The previous prime is 70894639. The next prime is 70894667. The reversal of 70894660 is 6649807.

It can be written as a sum of positive squares in 2 ways, for example, as 55086084 + 15808576 = 7422^2 + 3976^2 .

It is not an unprimeable number, because it can be changed into a prime (70894667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1772347 + ... + 1772386.

It is an arithmetic number, because the mean of its divisors is an integer number (12406569).

Almost surely, 2^70894660 is an apocalyptic number.

It is an amenable number.

70894660 is an abundant number, since it is smaller than the sum of its proper divisors (77984168).

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

70894660 is a wasteful number, since it uses less digits than its factorization.

70894660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544742 (or 3544740 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 70894660 is about 8419.8966739503. The cubic root of 70894660 is about 413.8768877869.

The spelling of 70894660 in words is "seventy million, eight hundred ninety-four thousand, six hundred sixty".