74440485 has 64 divisors (see below), whose sum is σ = 155404800. Its totient is φ = 33094656.

The previous prime is 74440481. The next prime is 74440493. The reversal of 74440485 is 58404447.

It is not a de Polignac number, because 74440485 - 2² = 74440481 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74440481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33901 + ... + 36029.

It is an arithmetic number, because the mean of its divisors is an integer number (2428200).

Almost surely, 2^74440485 is an apocalyptic number.

It is an amenable number.

74440485 is an abundant number, since it is smaller than the sum of its proper divisors (80964315).

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

74440485 is a wasteful number, since it uses less digits than its factorization.

74440485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 74440485 is about 8627.8899506194. The cubic root of 74440485 is about 420.6650178995.

The spelling of 74440485 in words is "seventy-four million, four hundred forty thousand, four hundred eighty-five".