74104353440 has 48 divisors (see below), whose sum is σ = 188538581448. Its totient is φ = 27361606656.

The previous prime is 74104353409. The next prime is 74104353443. The reversal of 74104353440 is 4435340147.

It can be written as a sum of positive squares in 4 ways, for example, as 44708565136 + 29395788304 = 211444^2 + 171452^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74104353440.

It is not an unprimeable number, because it can be changed into a prime (74104353443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17811467 + ... + 17815626.

Almost surely, 2^74104353440 is an apocalyptic number.

It is an amenable number.

74104353440 is an abundant number, since it is smaller than the sum of its proper divisors (114434228008).

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

74104353440 is a wasteful number, since it uses less digits than its factorization.

74104353440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35627121 (or 35627113 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

Adding to 74104353440 its reverse (4435340147), we get a palindrome (78539693587).

The spelling of 74104353440 in words is "seventy-four billion, one hundred four million, three hundred fifty-three thousand, four hundred forty".