74144546 has 24 divisors (see below), whose sum is σ = 130329360. Its totient is φ = 31541832.

The previous prime is 74144527. The next prime is 74144563. The reversal of 74144546 is 64544147.

It is a super-2 number, since 2×74144546² = 10994827403092232, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 10901 + ... + 16343.

It is an arithmetic number, because the mean of its divisors is an integer number (5430390).

Almost surely, 2^74144546 is an apocalyptic number.

74144546 is a deficient number, since it is larger than the sum of its proper divisors (56184814).

74144546 is a wasteful number, since it uses less digits than its factorization.

74144546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5598 (or 5591 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 74144546 is about 8610.7227338941. The cubic root of 74144546 is about 420.1068246793.

The spelling of 74144546 in words is "seventy-four million, one hundred forty-four thousand, five hundred forty-six".