766674036 has 18 divisors (see below), whose sum is σ = 1937981682. Its totient is φ = 255558000.

The previous prime is 766674031. The next prime is 766674067. The reversal of 766674036 is 630476667.

It can be written as a sum of positive squares in only one way, i.e., 635342436 + 131331600 = 25206^2 + 11460^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 766673982 and 766674000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766674031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10648215 + ... + 10648286.

It is an arithmetic number, because the mean of its divisors is an integer number (107665649).

Almost surely, 2^766674036 is an apocalyptic number.

It is an amenable number.

766674036 is an abundant number, since it is smaller than the sum of its proper divisors (1171307646).

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

766674036 is a wasteful number, since it uses less digits than its factorization.

766674036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21296511 (or 21296506 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The square root of 766674036 is about 27688.8792839291. The cubic root of 766674036 is about 915.2440592353.

The spelling of 766674036 in words is "seven hundred sixty-six million, six hundred seventy-four thousand, thirty-six".