70989832 has 16 divisors (see below), whose sum is σ = 133443900. Its totient is φ = 35404800.

The previous prime is 70989827. The next prime is 70989857. The reversal of 70989832 is 23898907.

It can be written as a sum of positive squares in 2 ways, for example, as 46049796 + 24940036 = 6786^2 + 4994^2 .

It is an alternating number because its digits alternate between odd and even.

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, 7857 + ... + 14272.

Almost surely, 2^70989832 is an apocalyptic number.

It is an amenable number.

70989832 is a deficient number, since it is larger than the sum of its proper divisors (62454068).

70989832 is a wasteful number, since it uses less digits than its factorization.

70989832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22536 (or 22532 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 70989832 is about 8425.5463917778. The cubic root of 70989832 is about 414.0620069400.

The spelling of 70989832 in words is "seventy million, nine hundred eighty-nine thousand, eight hundred thirty-two".