75344464 has 20 divisors (see below), whose sum is σ = 157209556. Its totient is φ = 34774272.

The previous prime is 75344461. The next prime is 75344473. The reversal of 75344464 is 46444357.

It can be written as a sum of positive squares in 2 ways, for example, as 23619600 + 51724864 = 4860^2 + 7192^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75344461) 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 3 ways as a sum of consecutive naturals, for example, 180909 + ... + 181324.

Almost surely, 2^75344464 is an apocalyptic number.

It is an amenable number.

75344464 is an abundant number, since it is smaller than the sum of its proper divisors (81865092).

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

75344464 is a wasteful number, since it uses less digits than its factorization.

75344464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362254 (or 362248 counting only the distinct ones).

The product of its digits is 161280, while the sum is 37.

The square root of 75344464 is about 8680.1188931950. The cubic root of 75344464 is about 422.3609738298.

The spelling of 75344464 in words is "seventy-five million, three hundred forty-four thousand, four hundred sixty-four".