74221360 has 40 divisors (see below), whose sum is σ = 173421936. Its totient is φ = 29541120.

The previous prime is 74221333. The next prime is 74221361. The reversal of 74221360 is 6312247.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (74221361) 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 7 ways as a sum of consecutive naturals, for example, 14682 + ... + 19078.

Almost surely, 2^74221360 is an apocalyptic number.

It is an amenable number.

74221360 is an abundant number, since it is smaller than the sum of its proper divisors (99200576).

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

74221360 is a wasteful number, since it uses less digits than its factorization.

74221360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621 (or 4615 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 74221360 is about 8615.1819481657. The cubic root of 74221360 is about 420.2518519708.

The spelling of 74221360 in words is "seventy-four million, two hundred twenty-one thousand, three hundred sixty".