74047664 has 20 divisors (see below), whose sum is σ = 143792880. Its totient is φ = 36939840.

The previous prime is 74047651. The next prime is 74047667. The reversal of 74047664 is 46674047.

It is not an unprimeable number, because it can be changed into a prime (74047667) 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, 2357 + ... + 12395.

It is an arithmetic number, because the mean of its divisors is an integer number (7189644).

Almost surely, 2^74047664 is an apocalyptic number.

It is an amenable number.

74047664 is a deficient number, since it is larger than the sum of its proper divisors (69745216).

74047664 is a wasteful number, since it uses less digits than its factorization.

74047664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10508 (or 10502 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 74047664 is about 8605.0952348013. The cubic root of 74047664 is about 419.9237654529.

The spelling of 74047664 in words is "seventy-four million, forty-seven thousand, six hundred sixty-four".