72373079 has 2 divisors, whose sum is σ = 72373080. Its totient is φ = 72373078.

The previous prime is 72373043. The next prime is 72373099. The reversal of 72373079 is 97037327.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72373079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72373099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36186539 + 36186540.

It is an arithmetic number, because the mean of its divisors is an integer number (36186540).

Almost surely, 2^72373079 is an apocalyptic number.

72373079 is a deficient number, since it is larger than the sum of its proper divisors (1).

72373079 is an equidigital number, since it uses as much as digits as its factorization.

72373079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55566, while the sum is 38.

The square root of 72373079 is about 8507.2368604618. The cubic root of 72373079 is about 416.7340785507.

The spelling of 72373079 in words is "seventy-two million, three hundred seventy-three thousand, seventy-nine".