76947071 has 4 divisors (see below), whose sum is σ = 76994112. Its totient is φ = 76900032.

The previous prime is 76947067. The next prime is 76947107. The reversal of 76947071 is 17074967.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76947071 - 2² = 76947067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76947001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20975 + ... + 24368.

It is an arithmetic number, because the mean of its divisors is an integer number (19248528).

Almost surely, 2^76947071 is an apocalyptic number.

76947071 is a deficient number, since it is larger than the sum of its proper divisors (47041).

76947071 is a wasteful number, since it uses less digits than its factorization.

76947071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47040.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 76947071 is about 8771.9479592620. The cubic root of 76947071 is about 425.3345849688.

The spelling of 76947071 in words is "seventy-six million, nine hundred forty-seven thousand, seventy-one".