72346255 has 4 divisors (see below), whose sum is σ = 86815512. Its totient is φ = 57877000.

The previous prime is 72346229. The next prime is 72346259. The reversal of 72346255 is 55264327.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 72346255 - 2⁵ = 72346223 is a prime.

It is a super-2 number, since 2×72346255² = 10467961225050050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72346255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72346259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7234621 + ... + 7234630.

It is an arithmetic number, because the mean of its divisors is an integer number (21703878).

Almost surely, 2^72346255 is an apocalyptic number.

72346255 is a deficient number, since it is larger than the sum of its proper divisors (14469257).

72346255 is a wasteful number, since it uses less digits than its factorization.

72346255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14469256.

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

The square root of 72346255 is about 8505.6601742604. The cubic root of 72346255 is about 416.6825867695.

The spelling of 72346255 in words is "seventy-two million, three hundred forty-six thousand, two hundred fifty-five".