74455564 has 6 divisors (see below), whose sum is σ = 130297244. Its totient is φ = 37227780.

The previous prime is 74455561. The next prime is 74455571. The reversal of 74455564 is 46555447.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (74455561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9306942 + ... + 9306949.

Almost surely, 2^74455564 is an apocalyptic number.

It is an amenable number.

74455564 is a deficient number, since it is larger than the sum of its proper divisors (55841680).

74455564 is a wasteful number, since it uses less digits than its factorization.

74455564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18613895 (or 18613893 counting only the distinct ones).

The product of its digits is 336000, while the sum is 40.

The square root of 74455564 is about 8628.7637584998. The cubic root of 74455564 is about 420.6934199155.

The spelling of 74455564 in words is "seventy-four million, four hundred fifty-five thousand, five hundred sixty-four".