72118079 has 8 divisors (see below), whose sum is σ = 78769488. Its totient is φ = 65482560.

The previous prime is 72118061. The next prime is 72118103. The reversal of 72118079 is 97081127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72118079 - 2⁸ = 72117823 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 (72118049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6809 + ... + 13805.

It is an arithmetic number, because the mean of its divisors is an integer number (9846186).

Almost surely, 2^72118079 is an apocalyptic number.

72118079 is a deficient number, since it is larger than the sum of its proper divisors (6651409).

72118079 is a wasteful number, since it uses less digits than its factorization.

72118079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7945.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 72118079 is about 8492.2363956734. The cubic root of 72118079 is about 416.2440609733.

The spelling of 72118079 in words is "seventy-two million, one hundred eighteen thousand, seventy-nine".