72807672803 has 4 divisors (see below), whose sum is σ = 75318282240. Its totient is φ = 70297063368.

The previous prime is 72807672767. The next prime is 72807672829. The reversal of 72807672803 is 30827670827.

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 72807672803 - 2⁶ = 72807672739 is a prime.

It is a super-3 number, since 3×72807672803³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72807672703) 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, 1255304675 + ... + 1255304732.

It is an arithmetic number, because the mean of its divisors is an integer number (18829570560).

Almost surely, 2^72807672803 is an apocalyptic number.

72807672803 is a deficient number, since it is larger than the sum of its proper divisors (2510609437).

72807672803 is a wasteful number, since it uses less digits than its factorization.

72807672803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510609436.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 72807672803 in words is "seventy-two billion, eight hundred seven million, six hundred seventy-two thousand, eight hundred three".