74104632 has 240 divisors, whose sum is σ = 259530480. Its totient is φ = 19284480.

The previous prime is 74104619. The next prime is 74104637. The reversal of 74104632 is 23640147.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 74104596 and 74104605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74104637) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2390457 + ... + 2390487.

It is an arithmetic number, because the mean of its divisors is an integer number (1081377).

Almost surely, 2^74104632 is an apocalyptic number.

74104632 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 74104632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129765240).

74104632 is an abundant number, since it is smaller than the sum of its proper divisors (185425848).

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

74104632 is a wasteful number, since it uses less digits than its factorization.

74104632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 74104632 is about 8608.4047302622. The cubic root of 74104632 is about 420.0314262199.

Adding to 74104632 its reverse (23640147), we get a palindrome (97744779).

The spelling of 74104632 in words is "seventy-four million, one hundred four thousand, six hundred thirty-two".