72072079 has 2 divisors, whose sum is σ = 72072080. Its totient is φ = 72072078.

The previous prime is 72072053. The next prime is 72072083. The reversal of 72072079 is 97027027.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72072079 - 2²³ = 63683471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72072019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36036039 + 36036040.

It is an arithmetic number, because the mean of its divisors is an integer number (36036040).

Almost surely, 2^72072079 is an apocalyptic number.

72072079 is a deficient number, since it is larger than the sum of its proper divisors (1).

72072079 is an equidigital number, since it uses as much as digits as its factorization.

72072079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 72072079 is about 8489.5276075881. The cubic root of 72072079 is about 416.1555427197.

The spelling of 72072079 in words is "seventy-two million, seventy-two thousand, seventy-nine".