76394471 has 2 divisors, whose sum is σ = 76394472. Its totient is φ = 76394470.

The previous prime is 76394453. The next prime is 76394491. The reversal of 76394471 is 17449367.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76394471 - 2⁶ = 76394407 is a prime.

It is a super-3 number, since 3×76394471³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76394401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38197235 + 38197236.

It is an arithmetic number, because the mean of its divisors is an integer number (38197236).

Almost surely, 2^76394471 is an apocalyptic number.

76394471 is a deficient number, since it is larger than the sum of its proper divisors (1).

76394471 is an equidigital number, since it uses as much as digits as its factorization.

76394471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 76394471 is about 8740.3930689643. The cubic root of 76394471 is about 424.3139492026.

The spelling of 76394471 in words is "seventy-six million, three hundred ninety-four thousand, four hundred seventy-one".