74985258 has 16 divisors (see below), whose sum is σ = 150190560. Its totient is φ = 24958416.

The previous prime is 74985227. The next prime is 74985289. The reversal of 74985258 is 85258947.

It is an interprime number because it is at equal distance from previous prime (74985227) and next prime (74985289).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 4560 + ... + 13067.

It is an arithmetic number, because the mean of its divisors is an integer number (9386910).

Almost surely, 2^74985258 is an apocalyptic number.

74985258 is an abundant number, since it is smaller than the sum of its proper divisors (75205302).

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

74985258 is a wasteful number, since it uses less digits than its factorization.

74985258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18341.

The product of its digits is 806400, while the sum is 48.

The square root of 74985258 is about 8659.4028662489. The cubic root of 74985258 is about 421.6886999862.

The spelling of 74985258 in words is "seventy-four million, nine hundred eighty-five thousand, two hundred fifty-eight".