74540084 has 12 divisors (see below), whose sum is σ = 130749444. Its totient is φ = 37183104.

The previous prime is 74540083. The next prime is 74540117. The reversal of 74540084 is 48004547.

It can be written as a sum of positive squares in 2 ways, for example, as 3610000 + 70930084 = 1900^2 + 8422^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74540084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74540083) by changing a digit.

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, 19787 + ... + 23250.

It is an arithmetic number, because the mean of its divisors is an integer number (10895787).

Almost surely, 2^74540084 is an apocalyptic number.

It is an amenable number.

74540084 is a deficient number, since it is larger than the sum of its proper divisors (56209360).

74540084 is a wasteful number, since it uses less digits than its factorization.

74540084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43474 (or 43472 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 74540084 is about 8633.6599423419. The cubic root of 74540084 is about 420.8525464243.

The spelling of 74540084 in words is "seventy-four million, five hundred forty thousand, eighty-four".