72432583 has 2 divisors, whose sum is σ = 72432584. Its totient is φ = 72432582.

The previous prime is 72432557. The next prime is 72432599. The reversal of 72432583 is 38523427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72432583 - 2⁵ = 72432551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72432533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36216291 + 36216292.

It is an arithmetic number, because the mean of its divisors is an integer number (36216292).

Almost surely, 2^72432583 is an apocalyptic number.

72432583 is a deficient number, since it is larger than the sum of its proper divisors (1).

72432583 is an equidigital number, since it uses as much as digits as its factorization.

72432583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 72432583 is about 8510.7333996548. The cubic root of 72432583 is about 416.8482579853.

The spelling of 72432583 in words is "seventy-two million, four hundred thirty-two thousand, five hundred eighty-three".