72255801 has 16 divisors (see below), whose sum is σ = 98936640. Its totient is φ = 46887360.

The previous prime is 72255769. The next prime is 72255847. The reversal of 72255801 is 10855227.

It is not a de Polignac number, because 72255801 - 2⁵ = 72255769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72255871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19095 + ... + 22563.

It is an arithmetic number, because the mean of its divisors is an integer number (6183540).

Almost surely, 2^72255801 is an apocalyptic number.

It is an amenable number.

72255801 is a deficient number, since it is larger than the sum of its proper divisors (26680839).

72255801 is a wasteful number, since it uses less digits than its factorization.

72255801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 72255801 is about 8500.3412284449. The cubic root of 72255801 is about 416.5088559352.

The spelling of 72255801 in words is "seventy-two million, two hundred fifty-five thousand, eight hundred one".