74029838 has 4 divisors (see below), whose sum is σ = 111044760. Its totient is φ = 37014918.

The previous prime is 74029793. The next prime is 74029843. The reversal of 74029838 is 83892047.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 74029795 and 74029804.

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 as a sum of consecutive naturals, namely, 18507458 + ... + 18507461.

It is an arithmetic number, because the mean of its divisors is an integer number (27761190).

Almost surely, 2^74029838 is an apocalyptic number.

74029838 is a deficient number, since it is larger than the sum of its proper divisors (37014922).

74029838 is a wasteful number, since it uses less digits than its factorization.

74029838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37014921.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 74029838 is about 8604.0593907760. The cubic root of 74029838 is about 419.8900657096.

The spelling of 74029838 in words is "seventy-four million, twenty-nine thousand, eight hundred thirty-eight".