76473791 has 2 divisors, whose sum is σ = 76473792. Its totient is φ = 76473790.

The previous prime is 76473721. The next prime is 76473833. The reversal of 76473791 is 19737467.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76473791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76473721) 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, 38236895 + 38236896.

It is an arithmetic number, because the mean of its divisors is an integer number (38236896).

Almost surely, 2^76473791 is an apocalyptic number.

76473791 is a deficient number, since it is larger than the sum of its proper divisors (1).

76473791 is an equidigital number, since it uses as much as digits as its factorization.

76473791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 44.

The square root of 76473791 is about 8744.9294451128. The cubic root of 76473791 is about 424.4607527615.

The spelling of 76473791 in words is "seventy-six million, four hundred seventy-three thousand, seven hundred ninety-one".