74316660 has 48 divisors (see below), whose sum is σ = 227005632. Its totient is φ = 18016000.

The previous prime is 74316659. The next prime is 74316667. The reversal of 74316660 is 6661347.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74316667) 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 in 15 ways as a sum of consecutive naturals, for example, 55641 + ... + 56960.

It is an arithmetic number, because the mean of its divisors is an integer number (4729284).

Almost surely, 2^74316660 is an apocalyptic number.

It is an amenable number.

74316660 is an abundant number, since it is smaller than the sum of its proper divisors (152688972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74316660 is a wasteful number, since it uses less digits than its factorization.

74316660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112624 (or 112622 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 74316660 is about 8620.7111075595. The cubic root of 74316660 is about 420.4316424083.

The spelling of 74316660 in words is "seventy-four million, three hundred sixteen thousand, six hundred sixty".