766216713 has 8 divisors (see below), whose sum is σ = 1021752576. Its totient is φ = 510746000.

The previous prime is 766216709. The next prime is 766216721. The reversal of 766216713 is 317612667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 766216713 - 2² = 766216709 is a prime.

It is a super-4 number, since 4×766216713⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (766216723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29743 + ... + 49163.

It is an arithmetic number, because the mean of its divisors is an integer number (127719072).

Almost surely, 2^766216713 is an apocalyptic number.

It is an amenable number.

766216713 is a deficient number, since it is larger than the sum of its proper divisors (255535863).

766216713 is a wasteful number, since it uses less digits than its factorization.

766216713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32575.

The product of its digits is 63504, while the sum is 39.

The square root of 766216713 is about 27680.6198088121. The cubic root of 766216713 is about 915.0620412410.

The spelling of 766216713 in words is "seven hundred sixty-six million, two hundred sixteen thousand, seven hundred thirteen".