76680671 has 4 divisors (see below), whose sum is σ = 76846752. Its totient is φ = 76514592.

The previous prime is 76680661. The next prime is 76680679. The reversal of 76680671 is 17608667.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76680671 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 (76680679) 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, 82346 + ... + 83271.

It is an arithmetic number, because the mean of its divisors is an integer number (19211688).

Almost surely, 2^76680671 is an apocalyptic number.

76680671 is a deficient number, since it is larger than the sum of its proper divisors (166081).

76680671 is a wasteful number, since it uses less digits than its factorization.

76680671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166080.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 76680671 is about 8756.7500249807. The cubic root of 76680671 is about 424.8431642761.

The spelling of 76680671 in words is "seventy-six million, six hundred eighty thousand, six hundred seventy-one".