72828039 has 8 divisors (see below), whose sum is σ = 97180272. Its totient is φ = 48513920.

The previous prime is 72828029. The next prime is 72828043. The reversal of 72828039 is 93082827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72828039 - 2¹² = 72823943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72827988 and 72828006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72828029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4722 + ... + 12959.

It is an arithmetic number, because the mean of its divisors is an integer number (12147534).

Almost surely, 2^72828039 is an apocalyptic number.

72828039 is a deficient number, since it is larger than the sum of its proper divisors (24352233).

72828039 is a wasteful number, since it uses less digits than its factorization.

72828039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19057.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 72828039 is about 8533.9345556431. The cubic root of 72828039 is about 417.6054957091.

The spelling of 72828039 in words is "seventy-two million, eight hundred twenty-eight thousand, thirty-nine".