74303445 has 16 divisors (see below), whose sum is σ = 119246400. Its totient is φ = 39508224.

The previous prime is 74303443. The next prime is 74303473. The reversal of 74303445 is 54430347.

It is not a de Polignac number, because 74303445 - 2¹ = 74303443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74303443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2295 + ... + 12404.

It is an arithmetic number, because the mean of its divisors is an integer number (7452900).

Almost surely, 2^74303445 is an apocalyptic number.

It is an amenable number.

74303445 is a deficient number, since it is larger than the sum of its proper divisors (44942955).

74303445 is a wasteful number, since it uses less digits than its factorization.

74303445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15044.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 74303445 is about 8619.9446053905. The cubic root of 74303445 is about 420.4067205244.

The spelling of 74303445 in words is "seventy-four million, three hundred three thousand, four hundred forty-five".