70385632 has 24 divisors (see below), whose sum is σ = 139063176. Its totient is φ = 35068032.

The previous prime is 70385629. The next prime is 70385641. The reversal of 70385632 is 23658307.

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

It is a congruent number.

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, 5623 + ... + 13129.

It is an arithmetic number, because the mean of its divisors is an integer number (5794299).

Almost surely, 2^70385632 is an apocalyptic number.

It is an amenable number.

70385632 is a deficient number, since it is larger than the sum of its proper divisors (68677544).

70385632 is a wasteful number, since it uses less digits than its factorization.

70385632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7810 (or 7802 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 70385632 is about 8389.6145322655. The cubic root of 70385632 is about 412.8839537397.

It can be divided in two parts, 70385 and 632, that added together give a palindrome (71017).

The spelling of 70385632 in words is "seventy million, three hundred eighty-five thousand, six hundred thirty-two".