74080445 has 8 divisors (see below), whose sum is σ = 88958520. Its totient is φ = 59223040.

The previous prime is 74080439. The next prime is 74080451. The reversal of 74080445 is 54408047.

It is an interprime number because it is at equal distance from previous prime (74080439) and next prime (74080451).

It can be written as a sum of positive squares in 4 ways, for example, as 6791236 + 67289209 = 2606^2 + 8203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74080445 - 2²⁰ = 73031869 is a prime.

It is a congruent number.

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, 4301 + ... + 12909.

It is an arithmetic number, because the mean of its divisors is an integer number (11119815).

Almost surely, 2^74080445 is an apocalyptic number.

It is an amenable number.

74080445 is a deficient number, since it is larger than the sum of its proper divisors (14878075).

74080445 is a wasteful number, since it uses less digits than its factorization.

74080445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10335.

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

The square root of 74080445 is about 8606.9997676310. Note that the first 3 decimals coincide. The cubic root of 74080445 is about 419.9857232486.

The spelling of 74080445 in words is "seventy-four million, eighty thousand, four hundred forty-five".