74344505 has 4 divisors (see below), whose sum is σ = 89213412. Its totient is φ = 59475600.

The previous prime is 74344499. The next prime is 74344537. The reversal of 74344505 is 50544347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50544347 = 7 ⋅7220621.

It can be written as a sum of positive squares in 2 ways, for example, as 18079504 + 56265001 = 4252^2 + 7501^2 .

It is not a de Polignac number, because 74344505 - 2⁴ = 74344489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7434446 + ... + 7434455.

It is an arithmetic number, because the mean of its divisors is an integer number (22303353).

Almost surely, 2^74344505 is an apocalyptic number.

It is an amenable number.

74344505 is a deficient number, since it is larger than the sum of its proper divisors (14868907).

74344505 is a wasteful number, since it uses less digits than its factorization.

74344505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14868906.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 74344505 is about 8622.3259622911. The cubic root of 74344505 is about 420.4841450247.

It can be divided in two parts, 74 and 344505, that multiplied together give a triangular number (25493370 = T₇₁₄₀).

The spelling of 74344505 in words is "seventy-four million, three hundred forty-four thousand, five hundred five".