72926233 has 2 divisors, whose sum is σ = 72926234. Its totient is φ = 72926232.

The previous prime is 72926179. The next prime is 72926257. The reversal of 72926233 is 33262927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42928704 + 29997529 = 6552^2 + 5477^2 .

It is an emirp because it is prime and its reverse (33262927) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72926233 is a prime.

It is not a weakly prime, because it can be changed into another prime (72926033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36463116 + 36463117.

It is an arithmetic number, because the mean of its divisors is an integer number (36463117).

Almost surely, 2^72926233 is an apocalyptic number.

It is an amenable number.

72926233 is a deficient number, since it is larger than the sum of its proper divisors (1).

72926233 is an equidigital number, since it uses as much as digits as its factorization.

72926233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 34.

The square root of 72926233 is about 8539.6857670526. The cubic root of 72926233 is about 417.7930971640.

It can be divided in two parts, 729 and 26233, that added together give a palindrome (26962).

The spelling of 72926233 in words is "seventy-two million, nine hundred twenty-six thousand, two hundred thirty-three".