72762451 has 2 divisors, whose sum is σ = 72762452. Its totient is φ = 72762450.

The previous prime is 72762383. The next prime is 72762467. The reversal of 72762451 is 15426727.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72762451 is a prime.

It is not a weakly prime, because it can be changed into another prime (72766451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36381225 + 36381226.

It is an arithmetic number, because the mean of its divisors is an integer number (36381226).

Almost surely, 2^72762451 is an apocalyptic number.

72762451 is a deficient number, since it is larger than the sum of its proper divisors (1).

72762451 is an equidigital number, since it uses as much as digits as its factorization.

72762451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 34.

The square root of 72762451 is about 8530.0909139352. The cubic root of 72762451 is about 417.4800946681.

The spelling of 72762451 in words is "seventy-two million, seven hundred sixty-two thousand, four hundred fifty-one".