72254623 has 8 divisors (see below), whose sum is σ = 82628640. Its totient is φ = 61893600.

The previous prime is 72254591. The next prime is 72254627. The reversal of 72254623 is 32645227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72254623 - 2⁵ = 72254591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72254627) 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 in 7 ways as a sum of consecutive naturals, for example, 17673 + ... + 21373.

It is an arithmetic number, because the mean of its divisors is an integer number (10328580).

Almost surely, 2^72254623 is an apocalyptic number.

72254623 is a deficient number, since it is larger than the sum of its proper divisors (10374017).

72254623 is a wasteful number, since it uses less digits than its factorization.

72254623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6497.

The product of its digits is 20160, while the sum is 31.

The square root of 72254623 is about 8500.2719368265. The cubic root of 72254623 is about 416.5065924486.

The spelling of 72254623 in words is "seventy-two million, two hundred fifty-four thousand, six hundred twenty-three".