75074450 has 36 divisors (see below), whose sum is σ = 153499290. Its totient is φ = 27297600.

The previous prime is 75074423. The next prime is 75074473. The reversal of 75074450 is 5447057.

It can be written as a sum of positive squares in 3 ways, for example, as 33097009 + 41977441 = 5753^2 + 6479^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

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 17 ways as a sum of consecutive naturals, for example, 155 + ... + 12254.

Almost surely, 2^75074450 is an apocalyptic number.

75074450 is an abundant number, since it is smaller than the sum of its proper divisors (78424840).

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

75074450 is a wasteful number, since it uses less digits than its factorization.

75074450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12443 (or 12427 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 75074450 is about 8664.5513444148. The cubic root of 75074450 is about 421.8558277524.

The spelling of 75074450 in words is "seventy-five million, seventy-four thousand, four hundred fifty".