74108340 has 72 divisors (see below), whose sum is σ = 232563240. Its totient is φ = 19079424.

The previous prime is 74108329. The next prime is 74108347. The reversal of 74108340 is 4380147.

It can be written as a sum of positive squares in 4 ways, for example, as 29030544 + 45077796 = 5388^2 + 6714^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74108347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1879 + ... + 12318.

It is an arithmetic number, because the mean of its divisors is an integer number (3230045).

Almost surely, 2^74108340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74108340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116281620).

74108340 is an abundant number, since it is smaller than the sum of its proper divisors (158454900).

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

74108340 is a wasteful number, since it uses less digits than its factorization.

74108340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14241 (or 14236 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 74108340 is about 8608.6200984827. The cubic root of 74108340 is about 420.0384318574.

Adding to 74108340 its reverse (4380147), we get a palindrome (78488487).

The spelling of 74108340 in words is "seventy-four million, one hundred eight thousand, three hundred forty".