72834893 has 2 divisors, whose sum is σ = 72834894. Its totient is φ = 72834892.

The previous prime is 72834889. The next prime is 72834899. The reversal of 72834893 is 39843827.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36990724 + 35844169 = 6082^2 + 5987^2 .

It is a cyclic number.

It is not a de Polignac number, because 72834893 - 2² = 72834889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72834899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36417446 + 36417447.

It is an arithmetic number, because the mean of its divisors is an integer number (36417447).

Almost surely, 2^72834893 is an apocalyptic number.

It is an amenable number.

72834893 is a deficient number, since it is larger than the sum of its proper divisors (1).

72834893 is an equidigital number, since it uses as much as digits as its factorization.

72834893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 72834893 is about 8534.3361194647. The cubic root of 72834893 is about 417.6185958754.

The spelling of 72834893 in words is "seventy-two million, eight hundred thirty-four thousand, eight hundred ninety-three".