76944253 has 2 divisors, whose sum is σ = 76944254. Its totient is φ = 76944252.

The previous prime is 76944251. The next prime is 76944353. The reversal of 76944253 is 35244967.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65901924 + 11042329 = 8118^2 + 3323^2 .

It is an emirp because it is prime and its reverse (35244967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76944253 - 2¹ = 76944251 is a prime.

Together with 76944251, 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 (76944251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38472126 + 38472127.

It is an arithmetic number, because the mean of its divisors is an integer number (38472127).

Almost surely, 2^76944253 is an apocalyptic number.

It is an amenable number.

76944253 is a deficient number, since it is larger than the sum of its proper divisors (1).

76944253 is an equidigital number, since it uses as much as digits as its factorization.

76944253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 76944253 is about 8771.7873321234. The cubic root of 76944253 is about 425.3293926227.

The spelling of 76944253 in words is "seventy-six million, nine hundred forty-four thousand, two hundred fifty-three".