72563254 has 8 divisors (see below), whose sum is σ = 110898720. Its totient is φ = 35597016.

The previous prime is 72563243. The next prime is 72563273. The reversal of 72563254 is 45236527.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 342174 + ... + 342385.

It is an arithmetic number, because the mean of its divisors is an integer number (13862340).

Almost surely, 2^72563254 is an apocalyptic number.

72563254 is a deficient number, since it is larger than the sum of its proper divisors (38335466).

72563254 is a wasteful number, since it uses less digits than its factorization.

72563254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684614.

The product of its digits is 50400, while the sum is 34.

The square root of 72563254 is about 8518.4067759177. The cubic root of 72563254 is about 417.0987771761.

The spelling of 72563254 in words is "seventy-two million, five hundred sixty-three thousand, two hundred fifty-four".