722625746761 has 8 divisors (see below), whose sum is σ = 725267612160. Its totient is φ = 719985076272.

The previous prime is 722625746701. The next prime is 722625746827. The reversal of 722625746761 is 167647526227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 722625746761 - 2¹¹ = 722625744713 is a prime.

It is a super-2 number, since 2×722625746761² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722625746701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922086 + ... + 1515088.

It is an arithmetic number, because the mean of its divisors is an integer number (90658451520).

Almost surely, 2^722625746761 is an apocalyptic number.

It is an amenable number.

722625746761 is a deficient number, since it is larger than the sum of its proper divisors (2641865399).

722625746761 is a wasteful number, since it uses less digits than its factorization.

722625746761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597455.

The product of its digits is 11854080, while the sum is 55.

The spelling of 722625746761 in words is "seven hundred twenty-two billion, six hundred twenty-five million, seven hundred forty-six thousand, seven hundred sixty-one".