72554267 has 2 divisors, whose sum is σ = 72554268. Its totient is φ = 72554266.

The previous prime is 72554257. The next prime is 72554327. The reversal of 72554267 is 76245527.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72554267 - 2²⁶ = 5445403 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72554267.

It is not a weakly prime, because it can be changed into another prime (72554227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36277133 + 36277134.

It is an arithmetic number, because the mean of its divisors is an integer number (36277134).

Almost surely, 2^72554267 is an apocalyptic number.

72554267 is a deficient number, since it is larger than the sum of its proper divisors (1).

72554267 is an equidigital number, since it uses as much as digits as its factorization.

72554267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 38.

The square root of 72554267 is about 8517.8792548380. The cubic root of 72554267 is about 417.0815571588.

The spelling of 72554267 in words is "seventy-two million, five hundred fifty-four thousand, two hundred sixty-seven".