766320774 has 16 divisors (see below), whose sum is σ = 1533058608. Its totient is φ = 255370752.

The previous prime is 766320773. The next prime is 766320803. The reversal of 766320774 is 477023667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766320773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9774 + ... + 40350.

It is an arithmetic number, because the mean of its divisors is an integer number (95816163).

Almost surely, 2^766320774 is an apocalyptic number.

766320774 is an abundant number, since it is smaller than the sum of its proper divisors (766737834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766320774 is a wasteful number, since it uses less digits than its factorization.

766320774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34759.

The product of its (nonzero) digits is 296352, while the sum is 42.

The square root of 766320774 is about 27682.4994175020. The cubic root of 766320774 is about 915.1034646655.

The spelling of 766320774 in words is "seven hundred sixty-six million, three hundred twenty thousand, seven hundred seventy-four".