76825237 has 2 divisors, whose sum is σ = 76825238. Its totient is φ = 76825236.

The previous prime is 76825207. The next prime is 76825279. The reversal of 76825237 is 73252867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76632516 + 192721 = 8754^2 + 439^2 .

It is a cyclic number.

It is not a de Polignac number, because 76825237 - 2²³ = 68436629 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76825237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76825207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38412618 + 38412619.

It is an arithmetic number, because the mean of its divisors is an integer number (38412619).

Almost surely, 2^76825237 is an apocalyptic number.

It is an amenable number.

76825237 is a deficient number, since it is larger than the sum of its proper divisors (1).

76825237 is an equidigital number, since it uses as much as digits as its factorization.

76825237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 40.

The square root of 76825237 is about 8765.0006845408. Note that the first 3 decimals coincide. The cubic root of 76825237 is about 425.1099821475.

The spelling of 76825237 in words is "seventy-six million, eight hundred twenty-five thousand, two hundred thirty-seven".