72264499 has 2 divisors, whose sum is σ = 72264500. Its totient is φ = 72264498.

The previous prime is 72264487. The next prime is 72264541. The reversal of 72264499 is 99446227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72264499 - 2⁷ = 72264371 is a prime.

It is not a weakly prime, because it can be changed into another prime (72264419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36132249 + 36132250.

It is an arithmetic number, because the mean of its divisors is an integer number (36132250).

Almost surely, 2^72264499 is an apocalyptic number.

72264499 is a deficient number, since it is larger than the sum of its proper divisors (1).

72264499 is an equidigital number, since it uses as much as digits as its factorization.

72264499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 72264499 is about 8500.8528395685. The cubic root of 72264499 is about 416.5255680820.

The spelling of 72264499 in words is "seventy-two million, two hundred sixty-four thousand, four hundred ninety-nine".