72566895785 has 16 divisors (see below), whose sum is σ = 87501909312. Its totient is φ = 57772651200.

The previous prime is 72566895703. The next prime is 72566895811. The reversal of 72566895785 is 58759866527.

It is not a de Polignac number, because 72566895785 - 2¹⁰ = 72566894761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2860055 + ... + 2885315.

It is an arithmetic number, because the mean of its divisors is an integer number (5468869332).

Almost surely, 2^72566895785 is an apocalyptic number.

It is an amenable number.

72566895785 is a deficient number, since it is larger than the sum of its proper divisors (14935013527).

72566895785 is a wasteful number, since it uses less digits than its factorization.

72566895785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28024.

The product of its digits is 254016000, while the sum is 68.

The spelling of 72566895785 in words is "seventy-two billion, five hundred sixty-six million, eight hundred ninety-five thousand, seven hundred eighty-five".