766660701 has 4 divisors (see below), whose sum is σ = 1022214272. Its totient is φ = 511107132.

The previous prime is 766660669. The next prime is 766660703. The reversal of 766660701 is 107066667.

766660701 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.

It is not a de Polignac number, because 766660701 - 2⁵ = 766660669 is a prime.

It is a super-2 number, since 2×766660701² = 1175537260915622802, which contains 22 as substring.

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 766660701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766660703) 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, 127776781 + ... + 127776786.

It is an arithmetic number, because the mean of its divisors is an integer number (255553568).

Almost surely, 2^766660701 is an apocalyptic number.

It is an amenable number.

766660701 is a deficient number, since it is larger than the sum of its proper divisors (255553571).

766660701 is a wasteful number, since it uses less digits than its factorization.

766660701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255553570.

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

The square root of 766660701 is about 27688.6384822367. The cubic root of 766660701 is about 915.2387528296.

The spelling of 766660701 in words is "seven hundred sixty-six million, six hundred sixty thousand, seven hundred one".