72452801 has 2 divisors, whose sum is σ = 72452802. Its totient is φ = 72452800.

The previous prime is 72452791. The next prime is 72452819. The reversal of 72452801 is 10825427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69889600 + 2563201 = 8360^2 + 1601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72452801 is a prime.

It is not a weakly prime, because it can be changed into another prime (72452851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36226400 + 36226401.

It is an arithmetic number, because the mean of its divisors is an integer number (36226401).

Almost surely, 2^72452801 is an apocalyptic number.

It is an amenable number.

72452801 is a deficient number, since it is larger than the sum of its proper divisors (1).

72452801 is an equidigital number, since it uses as much as digits as its factorization.

72452801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 72452801 is about 8511.9211110066. The cubic root of 72452801 is about 416.8870391236.

The spelling of 72452801 in words is "seventy-two million, four hundred fifty-two thousand, eight hundred one".