72982039 has 8 divisors (see below), whose sum is σ = 78744960. Its totient is φ = 67240416.

The previous prime is 72982033. The next prime is 72982043. The reversal of 72982039 is 93028927.

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 72982039 - 2³ = 72982031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72981992 and 72982010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72982031) 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, 2202 + ... + 12280.

It is an arithmetic number, because the mean of its divisors is an integer number (9843120).

Almost surely, 2^72982039 is an apocalyptic number.

72982039 is a deficient number, since it is larger than the sum of its proper divisors (5762921).

72982039 is a wasteful number, since it uses less digits than its factorization.

72982039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10649.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 72982039 is about 8542.9525926345. The cubic root of 72982039 is about 417.8996405201.

The spelling of 72982039 in words is "seventy-two million, nine hundred eighty-two thousand, thirty-nine".