74464417 has 4 divisors (see below), whose sum is σ = 75869460. Its totient is φ = 73059376.

The previous prime is 74464361. The next prime is 74464427. The reversal of 74464417 is 71446447.

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 37994896 + 36469521 = 6164^2 + 6039^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74464417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74464427) by changing a digit.

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, 702442 + ... + 702547.

It is an arithmetic number, because the mean of its divisors is an integer number (18967365).

Almost surely, 2^74464417 is an apocalyptic number.

It is an amenable number.

74464417 is a deficient number, since it is larger than the sum of its proper divisors (1405043).

74464417 is a wasteful number, since it uses less digits than its factorization.

74464417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405042.

The product of its digits is 75264, while the sum is 37.

The square root of 74464417 is about 8629.2767367839. The cubic root of 74464417 is about 420.7100931769.

The spelling of 74464417 in words is "seventy-four million, four hundred sixty-four thousand, four hundred seventeen".