74445111120 has 80 divisors (see below), whose sum is σ = 230806066752. Its totient is φ = 19849774080.

The previous prime is 74445111089. The next prime is 74445111137. The reversal of 74445111120 is 2111154447.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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, 4078815 + ... + 4097025.

Almost surely, 2^74445111120 is an apocalyptic number.

It is an amenable number.

74445111120 is an abundant number, since it is smaller than the sum of its proper divisors (156360955632).

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

74445111120 is a wasteful number, since it uses less digits than its factorization.

74445111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35260 (or 35254 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

Adding to 74445111120 its reverse (2111154447), we get a palindrome (76556265567).

The spelling of 74445111120 in words is "seventy-four billion, four hundred forty-five million, one hundred eleven thousand, one hundred twenty".