74000005 has 4 divisors (see below), whose sum is σ = 88800012. Its totient is φ = 59200000.

The previous prime is 73999969. The next prime is 74000051. The reversal of 74000005 is 50000047.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31606884 + 42393121 = 5622^2 + 6511^2 .

It is not a de Polignac number, because 74000005 - 2⁹ = 73999493 is a prime.

It is a Duffinian number.

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, 7399996 + ... + 7400005.

It is an arithmetic number, because the mean of its divisors is an integer number (22200003).

Almost surely, 2^74000005 is an apocalyptic number.

It is an amenable number.

74000005 is a deficient number, since it is larger than the sum of its proper divisors (14800007).

74000005 is a wasteful number, since it uses less digits than its factorization.

74000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14800006.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 74000005 is about 8602.3255576617. The cubic root of 74000005 is about 419.8336548366.

The spelling of 74000005 in words is "seventy-four million, five", and thus it is an aban number.