74971942 has 8 divisors (see below), whose sum is σ = 112630032. Its totient is φ = 37428600.

The previous prime is 74971933. The next prime is 74971987. The reversal of 74971942 is 24917947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27034 + ... + 29677.

It is an arithmetic number, because the mean of its divisors is an integer number (14078754).

Almost surely, 2^74971942 is an apocalyptic number.

74971942 is a deficient number, since it is larger than the sum of its proper divisors (37658090).

74971942 is a wasteful number, since it uses less digits than its factorization.

74971942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57374.

The product of its digits is 127008, while the sum is 43.

The square root of 74971942 is about 8658.6339569242. The cubic root of 74971942 is about 421.6637371277.

The spelling of 74971942 in words is "seventy-four million, nine hundred seventy-one thousand, nine hundred forty-two".