73830893 has 2 divisors, whose sum is σ = 73830894. Its totient is φ = 73830892.

The previous prime is 73830857. The next prime is 73830901. The reversal of 73830893 is 39803837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50665924 + 23164969 = 7118^2 + 4813^2 .

It is an emirp because it is prime and its reverse (39803837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73830893 - 2⁶ = 73830829 is a prime.

It is a super-2 number, since 2×73830893² = 10902001522354898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73830893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73830803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36915446 + 36915447.

It is an arithmetic number, because the mean of its divisors is an integer number (36915447).

Almost surely, 2^73830893 is an apocalyptic number.

It is an amenable number.

73830893 is a deficient number, since it is larger than the sum of its proper divisors (1).

73830893 is an equidigital number, since it uses as much as digits as its factorization.

73830893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 73830893 is about 8592.4905004312. The cubic root of 73830893 is about 419.5135960188.

The spelling of 73830893 in words is "seventy-three million, eight hundred thirty thousand, eight hundred ninety-three".