70716736 has 28 divisors (see below), whose sum is σ = 148585428. Its totient is φ = 33277952.

The previous prime is 70716721. The next prime is 70716739. The reversal of 70716736 is 63761707.

It can be written as a sum of positive squares in 2 ways, for example, as 30470400 + 40246336 = 5520^2 + 6344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70716695 and 70716704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70716739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31411 + ... + 33586.

Almost surely, 2^70716736 is an apocalyptic number.

It is an amenable number.

70716736 is an abundant number, since it is smaller than the sum of its proper divisors (77868692).

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

70716736 is a wasteful number, since it uses less digits than its factorization.

70716736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65026 (or 65016 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 70716736 is about 8409.3243486026. The cubic root of 70716736 is about 413.5303627645.

The spelling of 70716736 in words is "seventy million, seven hundred sixteen thousand, seven hundred thirty-six".