70566716 has 18 divisors (see below), whose sum is σ = 135739800. Its totient is φ = 32075560.

The previous prime is 70566707. The next prime is 70566731. The reversal of 70566716 is 61766507.

It is a super-2 number, since 2×70566716² = 9959322814049312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70566716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72416 + ... + 73383.

It is an arithmetic number, because the mean of its divisors is an integer number (7541100).

Almost surely, 2^70566716 is an apocalyptic number.

It is an amenable number.

70566716 is a deficient number, since it is larger than the sum of its proper divisors (65173084).

70566716 is a wasteful number, since it uses less digits than its factorization.

70566716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145825 (or 145812 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 70566716 is about 8400.3997523927. The cubic root of 70566716 is about 413.2377316761.

The spelling of 70566716 in words is "seventy million, five hundred sixty-six thousand, seven hundred sixteen".