74403982 has 4 divisors (see below), whose sum is σ = 111605976. Its totient is φ = 37201990.

The previous prime is 74403977. The next prime is 74403983. The reversal of 74403982 is 28930447.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74403983) 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 as a sum of consecutive naturals, namely, 18600994 + ... + 18600997.

It is an arithmetic number, because the mean of its divisors is an integer number (27901494).

Almost surely, 2^74403982 is an apocalyptic number.

74403982 is a deficient number, since it is larger than the sum of its proper divisors (37201994).

74403982 is a wasteful number, since it uses less digits than its factorization.

74403982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37201993.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 74403982 is about 8625.7742840860. The cubic root of 74403982 is about 420.5962468727.

The spelling of 74403982 in words is "seventy-four million, four hundred three thousand, nine hundred eighty-two".