76334389 has 2 divisors, whose sum is σ = 76334390. Its totient is φ = 76334388.

The previous prime is 76334311. The next prime is 76334413. The reversal of 76334389 is 98343367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48191364 + 28143025 = 6942^2 + 5305^2 .

It is a cyclic number.

It is not a de Polignac number, because 76334389 - 2⁷ = 76334261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76334189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38167194 + 38167195.

It is an arithmetic number, because the mean of its divisors is an integer number (38167195).

Almost surely, 2^76334389 is an apocalyptic number.

It is an amenable number.

76334389 is a deficient number, since it is larger than the sum of its proper divisors (1).

76334389 is an equidigital number, since it uses as much as digits as its factorization.

76334389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 43.

The square root of 76334389 is about 8736.9553621385. The cubic root of 76334389 is about 424.2026832230.

The spelling of 76334389 in words is "seventy-six million, three hundred thirty-four thousand, three hundred eighty-nine".