72752453 has 2 divisors, whose sum is σ = 72752454. Its totient is φ = 72752452.

The previous prime is 72752447. The next prime is 72752467. The reversal of 72752453 is 35425727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54493924 + 18258529 = 7382^2 + 4273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72752453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72752413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36376226 + 36376227.

It is an arithmetic number, because the mean of its divisors is an integer number (36376227).

Almost surely, 2^72752453 is an apocalyptic number.

It is an amenable number.

72752453 is a deficient number, since it is larger than the sum of its proper divisors (1).

72752453 is an equidigital number, since it uses as much as digits as its factorization.

72752453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58800, while the sum is 35.

The square root of 72752453 is about 8529.5048508105. The cubic root of 72752453 is about 417.4609723639.

The spelling of 72752453 in words is "seventy-two million, seven hundred fifty-two thousand, four hundred fifty-three".