72244735 has 4 divisors (see below), whose sum is σ = 86693688. Its totient is φ = 57795784.

The previous prime is 72244709. The next prime is 72244759. The reversal of 72244735 is 53744227.

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

It is a cyclic number.

It is not a de Polignac number, because 72244735 - 2⁵ = 72244703 is a prime.

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 72244735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7224469 + ... + 7224478.

It is an arithmetic number, because the mean of its divisors is an integer number (21673422).

Almost surely, 2^72244735 is an apocalyptic number.

72244735 is a deficient number, since it is larger than the sum of its proper divisors (14448953).

72244735 is a wasteful number, since it uses less digits than its factorization.

72244735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448952.

The product of its digits is 47040, while the sum is 34.

The square root of 72244735 is about 8499.6902884752. The cubic root of 72244735 is about 416.4875920263.

The spelling of 72244735 in words is "seventy-two million, two hundred forty-four thousand, seven hundred thirty-five".