73823653 has 2 divisors, whose sum is σ = 73823654. Its totient is φ = 73823652.

The previous prime is 73823641. The next prime is 73823669. The reversal of 73823653 is 35632837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69505569 + 4318084 = 8337^2 + 2078^2 .

It is an emirp because it is prime and its reverse (35632837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73823653 - 2²⁵ = 40269221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73823053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36911826 + 36911827.

It is an arithmetic number, because the mean of its divisors is an integer number (36911827).

Almost surely, 2^73823653 is an apocalyptic number.

It is an amenable number.

73823653 is a deficient number, since it is larger than the sum of its proper divisors (1).

73823653 is an equidigital number, since it uses as much as digits as its factorization.

73823653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 73823653 is about 8592.0691919933. The cubic root of 73823653 is about 419.4998827993.

The spelling of 73823653 in words is "seventy-three million, eight hundred twenty-three thousand, six hundred fifty-three".