72265004364265 has 8 divisors (see below), whose sum is σ = 86762867124168. Its totient is φ = 57782095566720.

The previous prime is 72265004364221. The next prime is 72265004364277. The reversal of 72265004364265 is 56246340056227.

It can be written as a sum of positive squares in 4 ways, for example, as 3270118872409 + 68994885491856 = 1808347^2 + 8306316^2 .

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

It is not a de Polignac number, because 72265004364265 - 2¹⁵ = 72265004331497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3738479956 + ... + 3738499285.

It is an arithmetic number, because the mean of its divisors is an integer number (10845358390521).

Almost surely, 2^{72265004364265} is an apocalyptic number.

It is an amenable number.

72265004364265 is a deficient number, since it is larger than the sum of its proper divisors (14497862759903).

72265004364265 is a wasteful number, since it uses less digits than its factorization.

72265004364265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7476981179.

The product of its (nonzero) digits is 14515200, while the sum is 52.

The spelling of 72265004364265 in words is "seventy-two trillion, two hundred sixty-five billion, four million, three hundred sixty-four thousand, two hundred sixty-five".