766682730 has 48 divisors (see below), whose sum is σ = 2174593824. Its totient is φ = 185862240.

The previous prime is 766682701. The next prime is 766682743. The reversal of 766682730 is 37286667.

It is a super-3 number, since 3×766682730³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386224 + ... + 388203.

It is an arithmetic number, because the mean of its divisors is an integer number (45304038).

Almost surely, 2^766682730 is an apocalyptic number.

766682730 is an abundant number, since it is smaller than the sum of its proper divisors (1407911094).

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

766682730 is a wasteful number, since it uses less digits than its factorization.

766682730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774451 (or 774448 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 766682730 is about 27689.0362779205. The cubic root of 766682730 is about 915.2475188115.

The spelling of 766682730 in words is "seven hundred sixty-six million, six hundred eighty-two thousand, seven hundred thirty".