72505579026259 has 8 divisors (see below), whose sum is σ = 73273746680288. Its totient is φ = 71737833565440.

The previous prime is 72505579026253. The next prime is 72505579026263. The reversal of 72505579026259 is 95262097550527.

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 72505579026259 - 2⁵ = 72505579026227 is a prime.

It is a super-2 number, since 2×72505579026259² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72505579026259.

It is not an unprimeable number, because it can be changed into a prime (72505579026253) 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, 105203007 + ... + 105889960.

It is an arithmetic number, because the mean of its divisors is an integer number (9159218335036).

Almost surely, 2^{72505579026259} is an apocalyptic number.

72505579026259 is a deficient number, since it is larger than the sum of its proper divisors (768167654029).

72505579026259 is a wasteful number, since it uses less digits than its factorization.

72505579026259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211096605.

The product of its (nonzero) digits is 119070000, while the sum is 64.

The spelling of 72505579026259 in words is "seventy-two trillion, five hundred five billion, five hundred seventy-nine million, twenty-six thousand, two hundred fifty-nine".