72230433 has 32 divisors (see below), whose sum is σ = 111974400. Its totient is φ = 40930560.

The previous prime is 72230413. The next prime is 72230437. The reversal of 72230433 is 33403227.

It is a happy number.

It is not a de Polignac number, because 72230433 - 2⁹ = 72229921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72230437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111316 + ... + 111962.

It is an arithmetic number, because the mean of its divisors is an integer number (3499200).

Almost surely, 2^72230433 is an apocalyptic number.

It is an amenable number.

72230433 is a deficient number, since it is larger than the sum of its proper divisors (39743967).

72230433 is a wasteful number, since it uses less digits than its factorization.

72230433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 72230433 is about 8498.8489220600. The cubic root of 72230433 is about 416.4601067539.

The spelling of 72230433 in words is "seventy-two million, two hundred thirty thousand, four hundred thirty-three".