74344465 has 16 divisors (see below), whose sum is σ = 96820416. Its totient is φ = 54475200.

The previous prime is 74344453. The next prime is 74344471. The reversal of 74344465 is 56444347.

It is not a de Polignac number, because 74344465 - 2¹⁹ = 73820177 is a prime.

It is a super-2 number, since 2×74344465² = 11054198952272450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4150 + ... + 12880.

It is an arithmetic number, because the mean of its divisors is an integer number (6051276).

Almost surely, 2^74344465 is an apocalyptic number.

It is an amenable number.

74344465 is a deficient number, since it is larger than the sum of its proper divisors (22475951).

74344465 is a wasteful number, since it uses less digits than its factorization.

74344465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880.

The product of its digits is 161280, while the sum is 37.

The square root of 74344465 is about 8622.3236427311. The cubic root of 74344465 is about 420.4840696128.

The spelling of 74344465 in words is "seventy-four million, three hundred forty-four thousand, four hundred sixty-five".