766747396 has 48 divisors (see below), whose sum is σ = 1483135920. Its totient is φ = 345313280.

The previous prime is 766747393. The next prime is 766747403. The reversal of 766747396 is 693747667.

It can be written as a sum of positive squares in 8 ways, for example, as 13793796 + 752953600 = 3714^2 + 27440^2 .

It is not an unprimeable number, because it can be changed into a prime (766747391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145170 + ... + 150358.

It is an arithmetic number, because the mean of its divisors is an integer number (30898665).

Almost surely, 2^766747396 is an apocalyptic number.

It is an amenable number.

766747396 is a deficient number, since it is larger than the sum of its proper divisors (716388524).

766747396 is a wasteful number, since it uses less digits than its factorization.

766747396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304 (or 5302 counting only the distinct ones).

The product of its digits is 8001504, while the sum is 55.

The square root of 766747396 is about 27690.2039718020. The cubic root of 766747396 is about 915.2732503298.

The spelling of 766747396 in words is "seven hundred sixty-six million, seven hundred forty-seven thousand, three hundred ninety-six".