74085288 has 32 divisors (see below), whose sum is σ = 191189760. Its totient is φ = 23898240.

The previous prime is 74085287. The next prime is 74085289. The reversal of 74085288 is 88258047.

It is an interprime number because it is at equal distance from previous prime (74085287) and next prime (74085289).

It is not an unprimeable number, because it can be changed into a prime (74085287) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49045 + ... + 50532.

It is an arithmetic number, because the mean of its divisors is an integer number (5974680).

Almost surely, 2^74085288 is an apocalyptic number.

It is an amenable number.

74085288 is an abundant number, since it is smaller than the sum of its proper divisors (117104472).

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

74085288 is a wasteful number, since it uses less digits than its factorization.

74085288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99617 (or 99613 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 74085288 is about 8607.2811038097. The cubic root of 74085288 is about 419.9948752209.

The spelling of 74085288 in words is "seventy-four million, eighty-five thousand, two hundred eighty-eight".