766601 has 4 divisors (see below), whose sum is σ = 836304. Its totient is φ = 696900.

The previous prime is 766583. The next prime is 766609. The reversal of 766601 is 106667.

766601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106667 = 11 ⋅9697.

It is a cyclic number.

It is not a de Polignac number, because 766601 - 2¹⁰ = 765577 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 766601.

It is not an unprimeable number, because it can be changed into a prime (766609) 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, 34835 + ... + 34856.

It is an arithmetic number, because the mean of its divisors is an integer number (209076).

2⁷⁶⁶⁶⁰¹ is an apocalyptic number.

It is an amenable number.

766601 is a deficient number, since it is larger than the sum of its proper divisors (69703).

766601 is a wasteful number, since it uses less digits than its factorization.

766601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69702.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 766601 is about 875.5575366588. The cubic root of 766601 is about 91.5214995216.

The spelling of 766601 in words is "seven hundred sixty-six thousand, six hundred one".