72772463 has 2 divisors, whose sum is σ = 72772464. Its totient is φ = 72772462.

The previous prime is 72772439. The next prime is 72772471. The reversal of 72772463 is 36427727.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72772463 - 2¹⁶ = 72706927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72772963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36386231 + 36386232.

It is an arithmetic number, because the mean of its divisors is an integer number (36386232).

Almost surely, 2^72772463 is an apocalyptic number.

72772463 is a deficient number, since it is larger than the sum of its proper divisors (1).

72772463 is an equidigital number, since it uses as much as digits as its factorization.

72772463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 38.

The square root of 72772463 is about 8530.6777573649. The cubic root of 72772463 is about 417.4992419937.

The spelling of 72772463 in words is "seventy-two million, seven hundred seventy-two thousand, four hundred sixty-three".