72879259 has 4 divisors (see below), whose sum is σ = 73044216. Its totient is φ = 72714304.

The previous prime is 72879239. The next prime is 72879271. The reversal of 72879259 is 95297827.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95297827 = 569 ⋅167483.

It is a cyclic number.

It is not a de Polignac number, because 72879259 - 2¹³ = 72871067 is a prime.

It is a super-2 number, since 2×72879259² = 10622772784778162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72879239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81814 + ... + 82699.

It is an arithmetic number, because the mean of its divisors is an integer number (18261054).

Almost surely, 2^72879259 is an apocalyptic number.

72879259 is a deficient number, since it is larger than the sum of its proper divisors (164957).

72879259 is a wasteful number, since it uses less digits than its factorization.

72879259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164956.

The product of its digits is 635040, while the sum is 49.

The square root of 72879259 is about 8536.9349886244. The cubic root of 72879259 is about 417.7033734920.

The spelling of 72879259 in words is "seventy-two million, eight hundred seventy-nine thousand, two hundred fifty-nine".