72383239 has 2 divisors, whose sum is σ = 72383240. Its totient is φ = 72383238.

The previous prime is 72383203. The next prime is 72383251. The reversal of 72383239 is 93238327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72383239 - 2⁷ = 72383111 is a prime.

It is a super-2 number, since 2×72383239² = 10478666576262242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72383198 and 72383207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72383639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36191619 + 36191620.

It is an arithmetic number, because the mean of its divisors is an integer number (36191620).

Almost surely, 2^72383239 is an apocalyptic number.

72383239 is a deficient number, since it is larger than the sum of its proper divisors (1).

72383239 is an equidigital number, since it uses as much as digits as its factorization.

72383239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 72383239 is about 8507.8339781639. The cubic root of 72383239 is about 416.7535785277.

The spelling of 72383239 in words is "seventy-two million, three hundred eighty-three thousand, two hundred thirty-nine".