72452763 has 6 divisors (see below), whose sum is σ = 104654004. Its totient is φ = 48301836.

The previous prime is 72452753. The next prime is 72452789. The reversal of 72452763 is 36725427.

It is a happy number.

72452763 is a `hidden beast` number, since 72 + 4 + 527 + 63 = 666.

It is not a de Polignac number, because 72452763 - 2⁹ = 72452251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72452713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4025145 + ... + 4025162.

It is an arithmetic number, because the mean of its divisors is an integer number (17442334).

Almost surely, 2^72452763 is an apocalyptic number.

72452763 is a deficient number, since it is larger than the sum of its proper divisors (32201241).

72452763 is a wasteful number, since it uses less digits than its factorization.

72452763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8050313 (or 8050310 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 72452763 is about 8511.9188788428. The cubic root of 72452763 is about 416.8869662407.

The spelling of 72452763 in words is "seventy-two million, four hundred fifty-two thousand, seven hundred sixty-three".