74554138 has 16 divisors (see below), whose sum is σ = 118224000. Its totient is φ = 35163072.

The previous prime is 74554127. The next prime is 74554141. The reversal of 74554138 is 83145547.

It is a junction number, because it is equal to n+sod(n) for n = 74554097 and 74554106.

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, 4978 + ... + 13186.

It is an arithmetic number, because the mean of its divisors is an integer number (7389000).

Almost surely, 2^74554138 is an apocalyptic number.

74554138 is a deficient number, since it is larger than the sum of its proper divisors (43669862).

74554138 is a wasteful number, since it uses less digits than its factorization.

74554138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8469.

The product of its digits is 67200, while the sum is 37.

The square root of 74554138 is about 8634.4738114143. The cubic root of 74554138 is about 420.8789943419.

The spelling of 74554138 in words is "seventy-four million, five hundred fifty-four thousand, one hundred thirty-eight".