74632331232 has 96 divisors (see below), whose sum is σ = 218525277600. Its totient is φ = 24780570624.

The previous prime is 74632331203. The next prime is 74632331233. The reversal of 74632331232 is 23213323647.

74632331232 is a `hidden beast` number, since 7 + 4 + 632 + 3 + 3 + 12 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74632331233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53994 + ... + 390102.

It is an arithmetic number, because the mean of its divisors is an integer number (2276304975).

Almost surely, 2^74632331232 is an apocalyptic number.

74632331232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74632331232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109262638800).

74632331232 is an abundant number, since it is smaller than the sum of its proper divisors (143892946368).

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

74632331232 is a wasteful number, since it uses less digits than its factorization.

74632331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336385 (or 336371 counting only the distinct ones).

The product of its digits is 108864, while the sum is 36.

Adding to 74632331232 its reverse (23213323647), we get a palindrome (97845654879).

The spelling of 74632331232 in words is "seventy-four billion, six hundred thirty-two million, three hundred thirty-one thousand, two hundred thirty-two".