7012722564 has 81 divisors (see below), whose sum is σ = 18853647631. Its totient is φ = 2197390080.

The previous prime is 7012722557. The next prime is 7012722569. The reversal of 7012722564 is 4652272107.

It is a happy number.

The square root of 7012722564 is 83742.

It is a perfect power (a square), and thus also a powerful number.

7012722564 is a `hidden beast` number, since 70 + 1 + 2 + 7 + 22 + 564 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25100100 + 6987622464 = 5010^2 + 83592^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7012722569) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8541274 + ... + 8542094.

Almost surely, 2^7012722564 is an apocalyptic number.

7012722564 is the 83742-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7012722564

7012722564 is an abundant number, since it is smaller than the sum of its proper divisors (11840925067).

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

7012722564 is a wasteful number, since it uses less digits than its factorization.

7012722564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The cubic root of 7012722564 is about 1914.0894046674.

Multiplying 7012722564 by its sum of digits (36), we get a square (252458012304 = 502452²).

7012722564 divided by its sum of digits (36) gives a square (194797849 = 13957²).

The spelling of 7012722564 in words is "seven billion, twelve million, seven hundred twenty-two thousand, five hundred sixty-four".