766837420 has 12 divisors (see below), whose sum is σ = 1610358624. Its totient is φ = 306734960.

The previous prime is 766837381. The next prime is 766837427. The reversal of 766837420 is 24738667.

It is a happy number.

766837420 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (766837427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19170916 + ... + 19170955.

It is an arithmetic number, because the mean of its divisors is an integer number (134196552).

Almost surely, 2^766837420 is an apocalyptic number.

It is an amenable number.

766837420 is an abundant number, since it is smaller than the sum of its proper divisors (843521204).

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

766837420 is a wasteful number, since it uses less digits than its factorization.

766837420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38341880 (or 38341878 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 766837420 is about 27691.8294809137. The cubic root of 766837420 is about 915.3090697470.

The spelling of 766837420 in words is "seven hundred sixty-six million, eight hundred thirty-seven thousand, four hundred twenty".