773073128 has 16 divisors (see below), whose sum is σ = 1450891680. Its totient is φ = 386168688.

The previous prime is 773073127. The next prime is 773073131. The reversal of 773073128 is 821370377.

It is a super-2 number, since 2×773073128² = 1195284122471408768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 773073091 and 773073100.

It is not an unprimeable number, because it can be changed into a prime (773073127) 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, 36950 + ... + 53957.

It is an arithmetic number, because the mean of its divisors is an integer number (90680730).

Almost surely, 2^773073128 is an apocalyptic number.

It is an amenable number.

773073128 is a deficient number, since it is larger than the sum of its proper divisors (677818552).

773073128 is a wasteful number, since it uses less digits than its factorization.

773073128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91976 (or 91972 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 773073128 is about 27804.1926334861. The cubic root of 773073128 is about 917.7833876769.

The spelling of 773073128 in words is "seven hundred seventy-three million, seventy-three thousand, one hundred twenty-eight".