72839326 has 32 divisors (see below), whose sum is σ = 127844352. Its totient is φ = 30481920.

The previous prime is 72839303. The next prime is 72839341. The reversal of 72839326 is 62393827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125950 + ... + 126526.

It is an arithmetic number, because the mean of its divisors is an integer number (3995136).

Almost surely, 2^72839326 is an apocalyptic number.

72839326 is a deficient number, since it is larger than the sum of its proper divisors (55005026).

72839326 is a wasteful number, since it uses less digits than its factorization.

72839326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784.

The product of its digits is 108864, while the sum is 40.

The square root of 72839326 is about 8534.5958310866. The cubic root of 72839326 is about 417.6270683058.

The spelling of 72839326 in words is "seventy-two million, eight hundred thirty-nine thousand, three hundred twenty-six".