72796651 has 2 divisors, whose sum is σ = 72796652. Its totient is φ = 72796650.

The previous prime is 72796643. The next prime is 72796667. The reversal of 72796651 is 15669727.

It is a weak prime.

It is an emirp because it is prime and its reverse (15669727) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72796651 - 2³ = 72796643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72796598 and 72796607.

It is not a weakly prime, because it can be changed into another prime (72796621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36398325 + 36398326.

It is an arithmetic number, because the mean of its divisors is an integer number (36398326).

Almost surely, 2^72796651 is an apocalyptic number.

72796651 is a deficient number, since it is larger than the sum of its proper divisors (1).

72796651 is an equidigital number, since it uses as much as digits as its factorization.

72796651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 43.

The square root of 72796651 is about 8532.0953463965. The cubic root of 72796651 is about 417.5454927897.

The spelling of 72796651 in words is "seventy-two million, seven hundred ninety-six thousand, six hundred fifty-one".