74680556 has 12 divisors (see below), whose sum is σ = 133471968. Its totient is φ = 36545712.

The previous prime is 74680549. The next prime is 74680559. The reversal of 74680556 is 65508647.

It is not an unprimeable number, because it can be changed into a prime (74680559) by changing a digit.

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, 198431 + ... + 198806.

It is an arithmetic number, because the mean of its divisors is an integer number (11122664).

Almost surely, 2^74680556 is an apocalyptic number.

It is an amenable number.

74680556 is a deficient number, since it is larger than the sum of its proper divisors (58791412).

74680556 is a wasteful number, since it uses less digits than its factorization.

74680556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397288 (or 397286 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 74680556 is about 8641.7912495038. The cubic root of 74680556 is about 421.1167483511.

The spelling of 74680556 in words is "seventy-four million, six hundred eighty thousand, five hundred fifty-six".