72828759 has 4 divisors (see below), whose sum is σ = 97105016. Its totient is φ = 48552504.

The previous prime is 72828683. The next prime is 72828761. The reversal of 72828759 is 95782827.

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

It is not a de Polignac number, because 72828759 - 2⁷ = 72828631 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 (72828779) 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, 12138124 + ... + 12138129.

It is an arithmetic number, because the mean of its divisors is an integer number (24276254).

Almost surely, 2^72828759 is an apocalyptic number.

72828759 is a deficient number, since it is larger than the sum of its proper divisors (24276257).

72828759 is a wasteful number, since it uses less digits than its factorization.

72828759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24276256.

The product of its digits is 564480, while the sum is 48.

The square root of 72828759 is about 8533.9767400667. The cubic root of 72828759 is about 417.6068718959.

The spelling of 72828759 in words is "seventy-two million, eight hundred twenty-eight thousand, seven hundred fifty-nine".