72802767 has 4 divisors (see below), whose sum is σ = 97070360. Its totient is φ = 48535176.

The previous prime is 72802747. The next prime is 72802777. The reversal of 72802767 is 76720827.

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

It is not a de Polignac number, because 72802767 - 2²⁰ = 71754191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72802727) 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, 12133792 + ... + 12133797.

It is an arithmetic number, because the mean of its divisors is an integer number (24267590).

Almost surely, 2^72802767 is an apocalyptic number.

72802767 is a deficient number, since it is larger than the sum of its proper divisors (24267593).

72802767 is a wasteful number, since it uses less digits than its factorization.

72802767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24267592.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 72802767 is about 8532.4537502409. The cubic root of 72802767 is about 417.5571858035.

The spelling of 72802767 in words is "seventy-two million, eight hundred two thousand, seven hundred sixty-seven".