773428620 has 24 divisors (see below), whose sum is σ = 2165600304. Its totient is φ = 206247616.

The previous prime is 773428571. The next prime is 773428657. The reversal of 773428620 is 26824377.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6445179 + ... + 6445298.

It is an arithmetic number, because the mean of its divisors is an integer number (90233346).

Almost surely, 2^773428620 is an apocalyptic number.

It is an amenable number.

773428620 is an abundant number, since it is smaller than the sum of its proper divisors (1392171684).

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

773428620 is a wasteful number, since it uses less digits than its factorization.

773428620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12890489 (or 12890487 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 773428620 is about 27810.5846756231. The cubic root of 773428620 is about 917.9240447691.

The spelling of 773428620 in words is "seven hundred seventy-three million, four hundred twenty-eight thousand, six hundred twenty".