72929339 has 8 divisors (see below), whose sum is σ = 83785728. Its totient is φ = 62182440.

The previous prime is 72929327. The next prime is 72929341. The reversal of 72929339 is 93392927.

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 72929339 - 2⁴ = 72929323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72929339.

It is not an unprimeable number, because it can be changed into a prime (72929309) 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, 25937 + ... + 28610.

It is an arithmetic number, because the mean of its divisors is an integer number (10473216).

Almost surely, 2^72929339 is an apocalyptic number.

72929339 is a deficient number, since it is larger than the sum of its proper divisors (10856389).

72929339 is a wasteful number, since it uses less digits than its factorization.

72929339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54745.

The product of its digits is 183708, while the sum is 44.

The square root of 72929339 is about 8539.8676219248. The cubic root of 72929339 is about 417.7990284861.

The spelling of 72929339 in words is "seventy-two million, nine hundred twenty-nine thousand, three hundred thirty-nine".