72298692585 has 128 divisors (see below), whose sum is σ = 155193753600. Its totient is φ = 31231630080.

The previous prime is 72298692569. The next prime is 72298692611. The reversal of 72298692585 is 58529689227.

It is not a de Polignac number, because 72298692585 - 2⁴ = 72298692569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1259970 + ... + 1316100.

It is an arithmetic number, because the mean of its divisors is an integer number (1212451200).

Almost surely, 2^72298692585 is an apocalyptic number.

It is an amenable number.

72298692585 is an abundant number, since it is smaller than the sum of its proper divisors (82895061015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72298692585 is a wasteful number, since it uses less digits than its factorization.

72298692585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56228 (or 56222 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 72298692585 in words is "seventy-two billion, two hundred ninety-eight million, six hundred ninety-two thousand, five hundred eighty-five".