74405485 has 16 divisors (see below), whose sum is σ = 111318912. Its totient is φ = 46382400.

The previous prime is 74405479. The next prime is 74405497. The reversal of 74405485 is 58450447.

It is not a de Polignac number, because 74405485 - 2³ = 74405477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96246 + ... + 97015.

It is an arithmetic number, because the mean of its divisors is an integer number (6957432).

Almost surely, 2^74405485 is an apocalyptic number.

It is an amenable number.

74405485 is a deficient number, since it is larger than the sum of its proper divisors (36913427).

74405485 is a wasteful number, since it uses less digits than its factorization.

74405485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193284.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 74405485 is about 8625.8614062597. The cubic root of 74405485 is about 420.5990789429.

The spelling of 74405485 in words is "seventy-four million, four hundred five thousand, four hundred eighty-five".