70364736 has 84 divisors (see below), whose sum is σ = 217225372. Its totient is φ = 21648384.

The previous prime is 70364711. The next prime is 70364743. The reversal of 70364736 is 63746307.

70364736 is a `hidden beast` number, since 7 + 0 + 3 + 647 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3779136 + 66585600 = 1944^2 + 8160^2 .

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 70364736.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2790 + ... + 12186.

Almost surely, 2^70364736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70364736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108612686).

70364736 is an abundant number, since it is smaller than the sum of its proper divisors (146860636).

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

70364736 is a wasteful number, since it uses less digits than its factorization.

70364736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9428 (or 9415 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 70364736 is about 8388.3690905920. The cubic root of 70364736 is about 412.8430908686.

The spelling of 70364736 in words is "seventy million, three hundred sixty-four thousand, seven hundred thirty-six".