767690730 has 64 divisors (see below), whose sum is σ = 2056129920. Its totient is φ = 203822208.

The previous prime is 767690701. The next prime is 767690731. The reversal of 767690730 is 37096767.

767690730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (767690731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56809 + ... + 69011.

It is an arithmetic number, because the mean of its divisors is an integer number (32127030).

Almost surely, 2^767690730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 767690730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1028064960).

767690730 is an abundant number, since it is smaller than the sum of its proper divisors (1288439190).

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

767690730 is a wasteful number, since it uses less digits than its factorization.

767690730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12452 (or 12446 counting only the distinct ones).

The product of its (nonzero) digits is 333396, while the sum is 45.

The square root of 767690730 is about 27707.2324493082. The cubic root of 767690730 is about 915.6484519225.

The spelling of 767690730 in words is "seven hundred sixty-seven million, six hundred ninety thousand, seven hundred thirty".