72226735 has 12 divisors (see below), whose sum is σ = 100822968. Its totient is φ = 49526736.

The previous prime is 72226729. The next prime is 72226741. The reversal of 72226735 is 53762227.

It is an interprime number because it is at equal distance from previous prime (72226729) and next prime (72226741).

It is not a de Polignac number, because 72226735 - 2⁵ = 72226703 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 72226735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147157 + ... + 147646.

It is an arithmetic number, because the mean of its divisors is an integer number (8401914).

Almost surely, 2^72226735 is an apocalyptic number.

72226735 is a deficient number, since it is larger than the sum of its proper divisors (28596233).

72226735 is a wasteful number, since it uses less digits than its factorization.

72226735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294822 (or 294815 counting only the distinct ones).

The product of its digits is 35280, while the sum is 34.

The square root of 72226735 is about 8498.6313604015. The cubic root of 72226735 is about 416.4529994277.

The spelling of 72226735 in words is "seventy-two million, two hundred twenty-six thousand, seven hundred thirty-five".