74245474 has 8 divisors (see below), whose sum is σ = 113469660. Its totient is φ = 36422256.

The previous prime is 74245463. The next prime is 74245487. The reversal of 74245474 is 47454247.

It can be written as a sum of positive squares in 2 ways, for example, as 69806025 + 4439449 = 8355^2 + 2107^2 .

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

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, 350109 + ... + 350320.

Almost surely, 2^74245474 is an apocalyptic number.

74245474 is a deficient number, since it is larger than the sum of its proper divisors (39224186).

74245474 is a wasteful number, since it uses less digits than its factorization.

74245474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700484.

The product of its digits is 125440, while the sum is 37.

The square root of 74245474 is about 8616.5813406478. The cubic root of 74245474 is about 420.2973593372.

The spelling of 74245474 in words is "seventy-four million, two hundred forty-five thousand, four hundred seventy-four".