74581875 has 30 divisors (see below), whose sum is σ = 134628780. Its totient is φ = 39774000.

The previous prime is 74581867. The next prime is 74581937. The reversal of 74581875 is 57818547.

It is a happy number.

It is not a de Polignac number, because 74581875 - 2³ = 74581867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 74581875.

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 29 ways as a sum of consecutive naturals, for example, 1005 + ... + 12254.

It is an arithmetic number, because the mean of its divisors is an integer number (4487626).

Almost surely, 2^74581875 is an apocalyptic number.

74581875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

74581875 is a deficient number, since it is larger than the sum of its proper divisors (60046905).

74581875 is a wasteful number, since it uses less digits than its factorization.

74581875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13285 (or 13267 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 74581875 is about 8636.0798398347. The cubic root of 74581875 is about 420.9311822489.

The spelling of 74581875 in words is "seventy-four million, five hundred eighty-one thousand, eight hundred seventy-five".