72023079 has 4 divisors (see below), whose sum is σ = 96030776. Its totient is φ = 48015384.

The previous prime is 72023071. The next prime is 72023093. The reversal of 72023079 is 97032027.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97032027 = 3 ⋅32344009.

It is not a de Polignac number, because 72023079 - 2³ = 72023071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72023071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12003844 + ... + 12003849.

It is an arithmetic number, because the mean of its divisors is an integer number (24007694).

Almost surely, 2^72023079 is an apocalyptic number.

72023079 is a deficient number, since it is larger than the sum of its proper divisors (24007697).

72023079 is a wasteful number, since it uses less digits than its factorization.

72023079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24007696.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 72023079 is about 8486.6412083933. The cubic root of 72023079 is about 416.0612100975.

The spelling of 72023079 in words is "seventy-two million, twenty-three thousand, seventy-nine".