74343767440 has 20 divisors (see below), whose sum is σ = 172849259484. Its totient is φ = 29737506944.

The previous prime is 74343767419. The next prime is 74343767441. The reversal of 74343767440 is 4476734347.

It can be written as a sum of positive squares in 2 ways, for example, as 48517991824 + 25825775616 = 220268^2 + 160704^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (74343767441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464648467 + ... + 464648626.

Almost surely, 2^74343767440 is an apocalyptic number.

It is an amenable number.

74343767440 is an abundant number, since it is smaller than the sum of its proper divisors (98505492044).

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

74343767440 is a wasteful number, since it uses less digits than its factorization.

74343767440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929297106 (or 929297100 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 49.

The spelling of 74343767440 in words is "seventy-four billion, three hundred forty-three million, seven hundred sixty-seven thousand, four hundred forty".