76382947 has 2 divisors, whose sum is σ = 76382948. Its totient is φ = 76382946.

The previous prime is 76382939. The next prime is 76382951. The reversal of 76382947 is 74928367.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76382947 - 2³ = 76382939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76382897 and 76382906.

It is not a weakly prime, because it can be changed into another prime (76382347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38191473 + 38191474.

It is an arithmetic number, because the mean of its divisors is an integer number (38191474).

Almost surely, 2^76382947 is an apocalyptic number.

76382947 is a deficient number, since it is larger than the sum of its proper divisors (1).

76382947 is an equidigital number, since it uses as much as digits as its factorization.

76382947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 76382947 is about 8739.7338060149. The cubic root of 76382947 is about 424.2926124061.

It can be divided in two parts, 763829 and 47, that added together give a square (763876 = 874²).

The spelling of 76382947 in words is "seventy-six million, three hundred eighty-two thousand, nine hundred forty-seven".