70522713 has 6 divisors (see below), whose sum is σ = 101866154. Its totient is φ = 47015136.

The previous prime is 70522679. The next prime is 70522729. The reversal of 70522713 is 31722507.

70522713 is a `hidden beast` number, since 70 + 522 + 71 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42928704 + 27594009 = 6552^2 + 5253^2 .

It is not a de Polignac number, because 70522713 - 2¹⁴ = 70506329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70522733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3917920 + ... + 3917937.

Almost surely, 2^70522713 is an apocalyptic number.

It is an amenable number.

70522713 is a deficient number, since it is larger than the sum of its proper divisors (31343441).

70522713 is a wasteful number, since it uses less digits than its factorization.

70522713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835863 (or 7835860 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 70522713 is about 8397.7802424212. The cubic root of 70522713 is about 413.1518201595.

The spelling of 70522713 in words is "seventy million, five hundred twenty-two thousand, seven hundred thirteen".