722534693 has 2 divisors, whose sum is σ = 722534694. Its totient is φ = 722534692.

The previous prime is 722534689. The next prime is 722534707. The reversal of 722534693 is 396435227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 703681729 + 18852964 = 26527^2 + 4342^2 .

It is a cyclic number.

It is not a de Polignac number, because 722534693 - 2² = 722534689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 722534693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722534893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361267346 + 361267347.

It is an arithmetic number, because the mean of its divisors is an integer number (361267347).

Almost surely, 2^722534693 is an apocalyptic number.

It is an amenable number.

722534693 is a deficient number, since it is larger than the sum of its proper divisors (1).

722534693 is an equidigital number, since it uses as much as digits as its factorization.

722534693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 41.

The square root of 722534693 is about 26880.0054501483. The cubic root of 722534693 is about 897.3314754071.

The spelling of 722534693 in words is "seven hundred twenty-two million, five hundred thirty-four thousand, six hundred ninety-three".