70443936 has 36 divisors (see below), whose sum is σ = 200325762. Its totient is φ = 23481216.

The previous prime is 70443911. The next prime is 70443953. The reversal of 70443936 is 63934407.

It can be written as a sum of positive squares in only one way, i.e., 45643536 + 24800400 = 6756^2 + 4980^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 70443936.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122011 + ... + 122586.

Almost surely, 2^70443936 is an apocalyptic number.

It is an amenable number.

70443936 is an abundant number, since it is smaller than the sum of its proper divisors (129881826).

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

70443936 is a wasteful number, since it uses less digits than its factorization.

70443936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244613 (or 244602 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 70443936 is about 8393.0885852587. The cubic root of 70443936 is about 412.9979265374.

The spelling of 70443936 in words is "seventy million, four hundred forty-three thousand, nine hundred thirty-six".