74828456 has 16 divisors (see below), whose sum is σ = 142604340. Its totient is φ = 36800640.

The previous prime is 74828447. The next prime is 74828473. The reversal of 74828456 is 65482847.

It can be written as a sum of positive squares in 2 ways, for example, as 61622500 + 13205956 = 7850^2 + 3634^2 .

It is a super-3 number, since 3×74828456³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76181 + ... + 77156.

Almost surely, 2^74828456 is an apocalyptic number.

It is an amenable number.

74828456 is a deficient number, since it is larger than the sum of its proper divisors (67775884).

74828456 is a wasteful number, since it uses less digits than its factorization.

74828456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153404 (or 153400 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 74828456 is about 8650.3442706057. The cubic root of 74828456 is about 421.3945631741.

The spelling of 74828456 in words is "seventy-four million, eight hundred twenty-eight thousand, four hundred fifty-six".