74042446 has 16 divisors (see below), whose sum is σ = 121392000. Its totient is φ = 33719040.

The previous prime is 74042413. The next prime is 74042453. The reversal of 74042446 is 64424047.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 34071 + ... + 36178.

It is an arithmetic number, because the mean of its divisors is an integer number (7587000).

Almost surely, 2^74042446 is an apocalyptic number.

74042446 is a deficient number, since it is larger than the sum of its proper divisors (47349554).

74042446 is a wasteful number, since it uses less digits than its factorization.

74042446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70299.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 74042446 is about 8604.7920369989. The cubic root of 74042446 is about 419.9139014745.

The spelling of 74042446 in words is "seventy-four million, forty-two thousand, four hundred forty-six".