72834417 has 8 divisors (see below), whose sum is σ = 107902880. Its totient is φ = 48556260.

The previous prime is 72834413. The next prime is 72834439. The reversal of 72834417 is 71443827.

It is a happy number.

It is not a de Polignac number, because 72834417 - 2² = 72834413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72834413) 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, 1348759 + ... + 1348812.

It is an arithmetic number, because the mean of its divisors is an integer number (13487860).

Almost surely, 2^72834417 is an apocalyptic number.

It is an amenable number.

72834417 is a deficient number, since it is larger than the sum of its proper divisors (35068463).

72834417 is a wasteful number, since it uses less digits than its factorization.

72834417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697580 (or 2697574 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 72834417 is about 8534.3082320713. The cubic root of 72834417 is about 417.6176861151.

The spelling of 72834417 in words is "seventy-two million, eight hundred thirty-four thousand, four hundred seventeen".