70971604 has 12 divisors (see below), whose sum is σ = 135491328. Its totient is φ = 32259800.

The previous prime is 70971599. The next prime is 70971647. The reversal of 70971604 is 40617907.

It is a self number, because there is not a number n which added to its sum of digits gives 70971604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806452 + ... + 806539.

It is an arithmetic number, because the mean of its divisors is an integer number (11290944).

Almost surely, 2^70971604 is an apocalyptic number.

It is an amenable number.

70971604 is a deficient number, since it is larger than the sum of its proper divisors (64519724).

70971604 is a wasteful number, since it uses less digits than its factorization.

70971604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613006 (or 1613004 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 70971604 is about 8424.4646120688. The cubic root of 70971604 is about 414.0265644541.

The spelling of 70971604 in words is "seventy million, nine hundred seventy-one thousand, six hundred four".