76289249 has 2 divisors, whose sum is σ = 76289250. Its totient is φ = 76289248.

The previous prime is 76289243. The next prime is 76289293. The reversal of 76289249 is 94298267.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74943649 + 1345600 = 8657^2 + 1160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76289249 is a prime.

It is not a weakly prime, because it can be changed into another prime (76289243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38144624 + 38144625.

It is an arithmetic number, because the mean of its divisors is an integer number (38144625).

Almost surely, 2^76289249 is an apocalyptic number.

It is an amenable number.

76289249 is a deficient number, since it is larger than the sum of its proper divisors (1).

76289249 is an equidigital number, since it uses as much as digits as its factorization.

76289249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The square root of 76289249 is about 8734.3717003572. The cubic root of 76289249 is about 424.1190499481.

The spelling of 76289249 in words is "seventy-six million, two hundred eighty-nine thousand, two hundred forty-nine".