72371279375309 has 8 divisors (see below), whose sum is σ = 74343449849088. Its totient is φ = 70399961004240.

The previous prime is 72371279375233. The next prime is 72371279375333. The reversal of 72371279375309 is 90357397217327.

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

It is a cyclic number.

It is not a de Polignac number, because 72371279375309 - 2⁸ = 72371279375053 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 (72371279375209) 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, 212853497 + ... + 213193230.

It is an arithmetic number, because the mean of its divisors is an integer number (9292931231136).

Almost surely, 2^{72371279375309} is an apocalyptic number.

It is an amenable number.

72371279375309 is a deficient number, since it is larger than the sum of its proper divisors (1972170473779).

72371279375309 is a wasteful number, since it uses less digits than its factorization.

72371279375309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426051355.

The product of its (nonzero) digits is 105019740, while the sum is 65.

The spelling of 72371279375309 in words is "seventy-two trillion, three hundred seventy-one billion, two hundred seventy-nine million, three hundred seventy-five thousand, three hundred nine".