74349556 has 6 divisors (see below), whose sum is σ = 130111730. Its totient is φ = 37174776.

The previous prime is 74349553. The next prime is 74349557. The reversal of 74349556 is 65594347.

It can be written as a sum of positive squares in only one way, i.e., 37625956 + 36723600 = 6134^2 + 6060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74349553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9293691 + ... + 9293698.

Almost surely, 2^74349556 is an apocalyptic number.

It is an amenable number.

74349556 is a deficient number, since it is larger than the sum of its proper divisors (55762174).

74349556 is a wasteful number, since it uses less digits than its factorization.

74349556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18587393 (or 18587391 counting only the distinct ones).

The product of its digits is 453600, while the sum is 43.

The square root of 74349556 is about 8622.6188597201. The cubic root of 74349556 is about 420.4936674380.

The spelling of 74349556 in words is "seventy-four million, three hundred forty-nine thousand, five hundred fifty-six".