74430838 has 8 divisors (see below), whose sum is σ = 111722040. Its totient is φ = 37190160.

The previous prime is 74430833. The next prime is 74430857. The reversal of 74430838 is 83803447.

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

It is a junction number, because it is equal to n+sod(n) for n = 74430797 and 74430806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74430833) by changing a digit.

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, 8703 + ... + 14986.

It is an arithmetic number, because the mean of its divisors is an integer number (13965255).

Almost surely, 2^74430838 is an apocalyptic number.

74430838 is a deficient number, since it is larger than the sum of its proper divisors (37291202).

74430838 is a wasteful number, since it uses less digits than its factorization.

74430838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25262.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 74430838 is about 8627.3308734510. The cubic root of 74430838 is about 420.6468453027.

The spelling of 74430838 in words is "seventy-four million, four hundred thirty thousand, eight hundred thirty-eight".