769680727 has 4 divisors (see below), whose sum is σ = 770692896. Its totient is φ = 768668560.

The previous prime is 769680721. The next prime is 769680731. The reversal of 769680727 is 727086967.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727086967 = 683 ⋅1064549.

It is a cyclic number.

It is not a de Polignac number, because 769680727 - 2¹⁵ = 769647959 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 (769680721) 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, 504943 + ... + 506464.

It is an arithmetic number, because the mean of its divisors is an integer number (192673224).

Almost surely, 2^769680727 is an apocalyptic number.

769680727 is a deficient number, since it is larger than the sum of its proper divisors (1012169).

769680727 is a wasteful number, since it uses less digits than its factorization.

769680727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012168.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The square root of 769680727 is about 27743.1203544230. The cubic root of 769680727 is about 916.4389462475.

The spelling of 769680727 in words is "seven hundred sixty-nine million, six hundred eighty thousand, seven hundred twenty-seven".