74148426838 has 8 divisors (see below), whose sum is σ = 111228783120. Its totient is φ = 37072165800.

The previous prime is 74148426811. The next prime is 74148426851. The reversal of 74148426838 is 83862484147.

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, 978138 + ... + 1051213.

It is an arithmetic number, because the mean of its divisors is an integer number (13903597890).

Almost surely, 2^74148426838 is an apocalyptic number.

74148426838 is a deficient number, since it is larger than the sum of its proper divisors (37080356282).

74148426838 is a wasteful number, since it uses less digits than its factorization.

74148426838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047622.

The product of its digits is 8257536, while the sum is 55.

The spelling of 74148426838 in words is "seventy-four billion, one hundred forty-eight million, four hundred twenty-six thousand, eight hundred thirty-eight".