72442205 has 8 divisors (see below), whose sum is σ = 94833504. Its totient is φ = 52685200.

The previous prime is 72442187. The next prime is 72442217. The reversal of 72442205 is 50224427.

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

It is not a de Polignac number, because 72442205 - 2⁶ = 72442141 is a prime.

It is a Duffinian number.

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, 658511 + ... + 658620.

It is an arithmetic number, because the mean of its divisors is an integer number (11854188).

Almost surely, 2^72442205 is an apocalyptic number.

It is an amenable number.

72442205 is a deficient number, since it is larger than the sum of its proper divisors (22391299).

72442205 is a wasteful number, since it uses less digits than its factorization.

72442205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317147.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 72442205 is about 8511.2986670660. The cubic root of 72442205 is about 416.8667153157.

It can be divided in two parts, 7244 and 2205, that added together give a palindrome (9449).

The spelling of 72442205 in words is "seventy-two million, four hundred forty-two thousand, two hundred five".