72725963 has 2 divisors, whose sum is σ = 72725964. Its totient is φ = 72725962.

The previous prime is 72725951. The next prime is 72725971. The reversal of 72725963 is 36952727.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72725963 - 2¹⁴ = 72709579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72725963.

It is not a weakly prime, because it can be changed into another prime (72725363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36362981 + 36362982.

It is an arithmetic number, because the mean of its divisors is an integer number (36362982).

Almost surely, 2^72725963 is an apocalyptic number.

72725963 is a deficient number, since it is larger than the sum of its proper divisors (1).

72725963 is an equidigital number, since it uses as much as digits as its factorization.

72725963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 41.

The square root of 72725963 is about 8527.9518643107. The cubic root of 72725963 is about 417.4102987753.

The spelling of 72725963 in words is "seventy-two million, seven hundred twenty-five thousand, nine hundred sixty-three".