70645384 has 16 divisors (see below), whose sum is σ = 132552720. Its totient is φ = 35298000.

The previous prime is 70645357. The next prime is 70645409. The reversal of 70645384 is 48354607.

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, 16047 + ... + 19969.

It is an arithmetic number, because the mean of its divisors is an integer number (8284545).

Almost surely, 2^70645384 is an apocalyptic number.

It is an amenable number.

70645384 is a deficient number, since it is larger than the sum of its proper divisors (61907336).

70645384 is a wasteful number, since it uses less digits than its factorization.

70645384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6180 (or 6176 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 70645384 is about 8405.0808443465. The cubic root of 70645384 is about 413.3912342289.

The spelling of 70645384 in words is "seventy million, six hundred forty-five thousand, three hundred eighty-four".