72332879 has 4 divisors (see below), whose sum is σ = 73558920. Its totient is φ = 71106840.

The previous prime is 72332851. The next prime is 72332893. The reversal of 72332879 is 97823327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97823327 = 7 ⋅13974761.

It is a cyclic number.

It is not a de Polignac number, because 72332879 - 2¹⁶ = 72267343 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 (72332809) 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, 612932 + ... + 613049.

It is an arithmetic number, because the mean of its divisors is an integer number (18389730).

Almost surely, 2^72332879 is an apocalyptic number.

72332879 is a deficient number, since it is larger than the sum of its proper divisors (1226041).

72332879 is a wasteful number, since it uses less digits than its factorization.

72332879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226040.

The product of its digits is 127008, while the sum is 41.

The square root of 72332879 is about 8504.8738379825. The cubic root of 72332879 is about 416.6569052291.

The spelling of 72332879 in words is "seventy-two million, three hundred thirty-two thousand, eight hundred seventy-nine".