72316376157451 has 2 divisors, whose sum is σ = 72316376157452. Its totient is φ = 72316376157450.

The previous prime is 72316376157439. The next prime is 72316376157521. The reversal of 72316376157451 is 15475167361327.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72316376157451 - 2⁷ = 72316376157323 is a prime.

It is not a weakly prime, because it can be changed into another prime (72316376157251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36158188078725 + 36158188078726.

It is an arithmetic number, because the mean of its divisors is an integer number (36158188078726).

Almost surely, 2^{72316376157451} is an apocalyptic number.

72316376157451 is a deficient number, since it is larger than the sum of its proper divisors (1).

72316376157451 is an equidigital number, since it uses as much as digits as its factorization.

72316376157451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22226400, while the sum is 58.

The spelling of 72316376157451 in words is "seventy-two trillion, three hundred sixteen billion, three hundred seventy-six million, one hundred fifty-seven thousand, four hundred fifty-one".