76874449 has 2 divisors, whose sum is σ = 76874450. Its totient is φ = 76874448.

The previous prime is 76874431. The next prime is 76874461. The reversal of 76874449 is 94447867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76475025 + 399424 = 8745^2 + 632^2 .

It is a cyclic number.

It is not a de Polignac number, because 76874449 - 2⁵ = 76874417 is a prime.

It is not a weakly prime, because it can be changed into another prime (76874429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38437224 + 38437225.

It is an arithmetic number, because the mean of its divisors is an integer number (38437225).

Almost surely, 2^76874449 is an apocalyptic number.

It is an amenable number.

76874449 is a deficient number, since it is larger than the sum of its proper divisors (1).

76874449 is an equidigital number, since it uses as much as digits as its factorization.

76874449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 49.

The square root of 76874449 is about 8767.8075366650. The cubic root of 76874449 is about 425.2007337799.

The spelling of 76874449 in words is "seventy-six million, eight hundred seventy-four thousand, four hundred forty-nine".