73812253 has 2 divisors, whose sum is σ = 73812254. Its totient is φ = 73812252.

The previous prime is 73812251. The next prime is 73812281. The reversal of 73812253 is 35221837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72641529 + 1170724 = 8523^2 + 1082^2 .

It is a cyclic number.

It is not a de Polignac number, because 73812253 - 2¹ = 73812251 is a prime.

Together with 73812251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73812251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36906126 + 36906127.

It is an arithmetic number, because the mean of its divisors is an integer number (36906127).

Almost surely, 2^73812253 is an apocalyptic number.

It is an amenable number.

73812253 is a deficient number, since it is larger than the sum of its proper divisors (1).

73812253 is an equidigital number, since it uses as much as digits as its factorization.

73812253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 73812253 is about 8591.4057639015. The cubic root of 73812253 is about 419.4782883435.

The spelling of 73812253 in words is "seventy-three million, eight hundred twelve thousand, two hundred fifty-three".