72563255 has 8 divisors (see below), whose sum is σ = 87188400. Its totient is φ = 57975616.

The previous prime is 72563243. The next prime is 72563273. The reversal of 72563255 is 55236527.

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 72563255 - 2¹⁸ = 72301111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4925 + ... + 13014.

It is an arithmetic number, because the mean of its divisors is an integer number (10898550).

Almost surely, 2^72563255 is an apocalyptic number.

72563255 is a deficient number, since it is larger than the sum of its proper divisors (14625145).

72563255 is a wasteful number, since it uses less digits than its factorization.

72563255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18753.

The product of its digits is 63000, while the sum is 35.

The square root of 72563255 is about 8518.4068346141. The cubic root of 72563255 is about 417.0987790921.

The spelling of 72563255 in words is "seventy-two million, five hundred sixty-three thousand, two hundred fifty-five".