74232946031220 has 72 divisors (see below), whose sum is σ = 227165953492296. Its totient is φ = 19620271276032.

The previous prime is 74232946031183. The next prime is 74232946031261. The reversal of 74232946031220 is 2213064923247.

74232946031220 is a `hidden beast` number, since 7 + 4 + 2 + 3 + 2 + 9 + 4 + 603 + 12 + 20 = 666.

74232946031220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4426319469924 + 69806626561296 = 2103882^2 + 8355036^2 .

It is a super-5 number, since 5×74232946031220⁵ (a number of 71 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1824781677 + ... + 1824822356.

It is an arithmetic number, because the mean of its divisors is an integer number (3155082687393).

Almost surely, 2^{74232946031220} is an apocalyptic number.

It is an amenable number.

74232946031220 is an abundant number, since it is smaller than the sum of its proper divisors (152933007461076).

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

74232946031220 is a wasteful number, since it uses less digits than its factorization.

74232946031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3649604161 (or 3649604156 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 74232946031220 in words is "seventy-four trillion, two hundred thirty-two billion, nine hundred forty-six million, thirty-one thousand, two hundred twenty".