722744607077451 has 12 divisors (see below), whose sum is σ = 1193102208508912. Its totient is φ = 412996918329936.

The previous prime is 722744607077417. The next prime is 722744607077461. The reversal of 722744607077451 is 154770706447227.

722744607077451 is a `hidden beast` number, since 7 + 2 + 2 + 7 + 4 + 46 + 0 + 70 + 77 + 451 = 666.

It is not a de Polignac number, because 722744607077451 - 2⁷ = 722744607077323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 11472136620277 = 722744607077451 / (7 + 2 + 2 + 7 + 4 + 4 + 6 + 0 + 7 + 0 + 7 + 7 + 4 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722744607077461) 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 11 ways as a sum of consecutive naturals, for example, 5736068310076 + ... + 5736068310201.

Almost surely, 2^{722744607077451} is an apocalyptic number.

722744607077451 is a deficient number, since it is larger than the sum of its proper divisors (470357601431461).

722744607077451 is a wasteful number, since it uses less digits than its factorization.

722744607077451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11472136620290 (or 11472136620287 counting only the distinct ones).

The product of its (nonzero) digits is 129077760, while the sum is 63.

The spelling of 722744607077451 in words is "seven hundred twenty-two trillion, seven hundred forty-four billion, six hundred seven million, seventy-seven thousand, four hundred fifty-one".