72754223 has 2 divisors, whose sum is σ = 72754224. Its totient is φ = 72754222.

The previous prime is 72754219. The next prime is 72754289. The reversal of 72754223 is 32245727.

It is a weak prime.

It is an emirp because it is prime and its reverse (32245727) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72754223 - 2² = 72754219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72754223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72754523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36377111 + 36377112.

It is an arithmetic number, because the mean of its divisors is an integer number (36377112).

Almost surely, 2^72754223 is an apocalyptic number.

72754223 is a deficient number, since it is larger than the sum of its proper divisors (1).

72754223 is an equidigital number, since it uses as much as digits as its factorization.

72754223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 32.

The square root of 72754223 is about 8529.6086076678. The cubic root of 72754223 is about 417.4643578164.

The spelling of 72754223 in words is "seventy-two million, seven hundred fifty-four thousand, two hundred twenty-three".