76347047 has 6 divisors (see below), whose sum is σ = 88811928. Its totient is φ = 65440284.

The previous prime is 76347023. The next prime is 76347049. The reversal of 76347047 is 74074367.

It is not a de Polignac number, because 76347047 - 2¹⁸ = 76084903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76347047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76347049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 779003 + ... + 779100.

It is an arithmetic number, because the mean of its divisors is an integer number (14801988).

Almost surely, 2^76347047 is an apocalyptic number.

76347047 is a deficient number, since it is larger than the sum of its proper divisors (12464881).

76347047 is a wasteful number, since it uses less digits than its factorization.

76347047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558117 (or 1558110 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 76347047 is about 8737.6797263347. The cubic root of 76347047 is about 424.2261294524.

The spelling of 76347047 in words is "seventy-six million, three hundred forty-seven thousand, forty-seven".