72762563 has 2 divisors, whose sum is σ = 72762564. Its totient is φ = 72762562.

The previous prime is 72762553. The next prime is 72762607. The reversal of 72762563 is 36526727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72762563 - 2¹⁰ = 72761539 is a prime.

It is not a weakly prime, because it can be changed into another prime (72762553) 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, 36381281 + 36381282.

It is an arithmetic number, because the mean of its divisors is an integer number (36381282).

Almost surely, 2^72762563 is an apocalyptic number.

72762563 is a deficient number, since it is larger than the sum of its proper divisors (1).

72762563 is an equidigital number, since it uses as much as digits as its factorization.

72762563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The square root of 72762563 is about 8530.0974789272. The cubic root of 72762563 is about 417.4803088709.

The spelling of 72762563 in words is "seventy-two million, seven hundred sixty-two thousand, five hundred sixty-three".