70716064 has 24 divisors (see below), whose sum is σ = 139491828. Its totient is φ = 35289600.

The previous prime is 70716047. The next prime is 70716067. The reversal of 70716064 is 46061707.

It can be written as a sum of positive squares in 2 ways, for example, as 62536464 + 8179600 = 7908^2 + 2860^2 .

It is not an unprimeable number, because it can be changed into a prime (70716067) 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, 17394 + ... + 21070.

Almost surely, 2^70716064 is an apocalyptic number.

It is an amenable number.

70716064 is a deficient number, since it is larger than the sum of its proper divisors (68775764).

70716064 is a wasteful number, since it uses less digits than its factorization.

70716064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288 (or 4280 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 70716064 is about 8409.2843928601. The cubic root of 70716064 is about 413.5290528752.

The spelling of 70716064 in words is "seventy million, seven hundred sixteen thousand, sixty-four".