72934389 has 24 divisors (see below), whose sum is σ = 115307712. Its totient is φ = 44056320.

The previous prime is 72934387. The next prime is 72934399. The reversal of 72934389 is 98343927.

It is a happy number.

It is not a de Polignac number, because 72934389 - 2¹ = 72934387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72934387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33904 + ... + 35990.

It is an arithmetic number, because the mean of its divisors is an integer number (4804488).

Almost surely, 2^72934389 is an apocalyptic number.

It is an amenable number.

72934389 is a deficient number, since it is larger than the sum of its proper divisors (42373323).

72934389 is a wasteful number, since it uses less digits than its factorization.

72934389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457 (or 2454 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 72934389 is about 8540.1632888370. The cubic root of 72934389 is about 417.8086717766.

The spelling of 72934389 in words is "seventy-two million, nine hundred thirty-four thousand, three hundred eighty-nine".