769428420 has 48 divisors (see below), whose sum is σ = 2184755328. Its totient is φ = 202289920.

The previous prime is 769428419. The next prime is 769428433. The reversal of 769428420 is 24824967.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86049 + ... + 94568.

It is an arithmetic number, because the mean of its divisors is an integer number (45515736).

Almost surely, 2^769428420 is an apocalyptic number.

It is an amenable number.

769428420 is an abundant number, since it is smaller than the sum of its proper divisors (1415326908).

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

769428420 is a wasteful number, since it uses less digits than its factorization.

769428420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180700 (or 180698 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 769428420 is about 27738.5727823188. The cubic root of 769428420 is about 916.3387968291.

The spelling of 769428420 in words is "seven hundred sixty-nine million, four hundred twenty-eight thousand, four hundred twenty".