74677442220 has 36 divisors (see below), whose sum is σ = 226521575280. Its totient is φ = 19913984544.

The previous prime is 74677442159. The next prime is 74677442227. The reversal of 74677442220 is 2224477647.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (74677442227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207437160 + ... + 207437519.

It is an arithmetic number, because the mean of its divisors is an integer number (6292265980).

Almost surely, 2^74677442220 is an apocalyptic number.

It is an amenable number.

74677442220 is an abundant number, since it is smaller than the sum of its proper divisors (151844133060).

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

74677442220 is a wasteful number, since it uses less digits than its factorization.

74677442220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414874694 (or 414874689 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 45.

The spelling of 74677442220 in words is "seventy-four billion, six hundred seventy-seven million, four hundred forty-two thousand, two hundred twenty".