72120383 has 2 divisors, whose sum is σ = 72120384. Its totient is φ = 72120382.

The previous prime is 72120337. The next prime is 72120407. The reversal of 72120383 is 38302127.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72120383 - 2⁶ = 72120319 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72120283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36060191 + 36060192.

It is an arithmetic number, because the mean of its divisors is an integer number (36060192).

Almost surely, 2^72120383 is an apocalyptic number.

72120383 is a deficient number, since it is larger than the sum of its proper divisors (1).

72120383 is an equidigital number, since it uses as much as digits as its factorization.

72120383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 72120383 is about 8492.3720479028. The cubic root of 72120383 is about 416.2484935933.

The spelling of 72120383 in words is "seventy-two million, one hundred twenty thousand, three hundred eighty-three".