72879373 has 8 divisors (see below), whose sum is σ = 83342592. Its totient is φ = 62429136.

The previous prime is 72879353. The next prime is 72879397. The reversal of 72879373 is 37397827.

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

It is not a de Polignac number, because 72879373 - 2¹⁷ = 72748301 is a prime.

It is a super-2 number, since 2×72879373² = 10622806017746258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72879343) 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, 18711 + ... + 22267.

It is an arithmetic number, because the mean of its divisors is an integer number (10417824).

Almost surely, 2^72879373 is an apocalyptic number.

It is an amenable number.

72879373 is a deficient number, since it is larger than the sum of its proper divisors (10463219).

72879373 is a wasteful number, since it uses less digits than its factorization.

72879373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491.

The product of its digits is 444528, while the sum is 46.

The square root of 72879373 is about 8536.9416654912. The cubic root of 72879373 is about 417.7035912867.

The spelling of 72879373 in words is "seventy-two million, eight hundred seventy-nine thousand, three hundred seventy-three".