72804750827 has 4 divisors (see below), whose sum is σ = 75970174800. Its totient is φ = 69639326856.

The previous prime is 72804750787. The next prime is 72804750839. The reversal of 72804750827 is 72805740827.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72804750827 - 2³⁶ = 4085274091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72804750877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1582711952 + ... + 1582711997.

It is an arithmetic number, because the mean of its divisors is an integer number (18992543700).

Almost surely, 2^72804750827 is an apocalyptic number.

72804750827 is a deficient number, since it is larger than the sum of its proper divisors (3165423973).

72804750827 is a wasteful number, since it uses less digits than its factorization.

72804750827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165423972.

The product of its (nonzero) digits is 1756160, while the sum is 50.

The spelling of 72804750827 in words is "seventy-two billion, eight hundred four million, seven hundred fifty thousand, eight hundred twenty-seven".