74140544 has 32 divisors (see below), whose sum is σ = 148175400. Its totient is φ = 36951552.

The previous prime is 74140537. The next prime is 74140567. The reversal of 74140544 is 44504147.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50087 + ... + 51545.

Almost surely, 2^74140544 is an apocalyptic number.

It is an amenable number.

74140544 is a deficient number, since it is larger than the sum of its proper divisors (74034856).

74140544 is a wasteful number, since it uses less digits than its factorization.

74140544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870 (or 1858 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 74140544 is about 8610.4903460837. The cubic root of 74140544 is about 420.0992660304.

The spelling of 74140544 in words is "seventy-four million, one hundred forty thousand, five hundred forty-four".