74353445 has 4 divisors (see below), whose sum is σ = 89224140. Its totient is φ = 59482752.

The previous prime is 74353423. The next prime is 74353471. The reversal of 74353445 is 54435347.

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 29181604 + 45171841 = 5402^2 + 6721^2 .

It is a cyclic number.

It is not a de Polignac number, because 74353445 - 2⁶ = 74353381 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 3 ways as a sum of consecutive naturals, for example, 7435340 + ... + 7435349.

It is an arithmetic number, because the mean of its divisors is an integer number (22306035).

Almost surely, 2^74353445 is an apocalyptic number.

It is an amenable number.

74353445 is a deficient number, since it is larger than the sum of its proper divisors (14870695).

74353445 is a wasteful number, since it uses less digits than its factorization.

74353445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14870694.

The product of its digits is 100800, while the sum is 35.

The square root of 74353445 is about 8622.8443683045. The cubic root of 74353445 is about 420.5009988934.

The spelling of 74353445 in words is "seventy-four million, three hundred fifty-three thousand, four hundred forty-five".