75440466 has 12 divisors (see below), whose sum is σ = 163454382. Its totient is φ = 25146816.

The previous prime is 75440461. The next prime is 75440473. The reversal of 75440466 is 66404457.

It can be written as a sum of positive squares in only one way, i.e., 74909025 + 531441 = 8655^2 + 729^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75440466.

It is not an unprimeable number, because it can be changed into a prime (75440461) 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 5 ways as a sum of consecutive naturals, for example, 2095551 + ... + 2095586.

Almost surely, 2^75440466 is an apocalyptic number.

75440466 is an abundant number, since it is smaller than the sum of its proper divisors (88013916).

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

75440466 is a wasteful number, since it uses less digits than its factorization.

75440466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191145 (or 4191142 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 75440466 is about 8685.6471261501. The cubic root of 75440466 is about 422.5402848975.

The spelling of 75440466 in words is "seventy-five million, four hundred forty thousand, four hundred sixty-six".