75454648 has 16 divisors (see below), whose sum is σ = 141578280. Its totient is φ = 37700448.

The previous prime is 75454633. The next prime is 75454649. The reversal of 75454648 is 84645457.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75454649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13615 + ... + 18337.

Almost surely, 2^75454648 is an apocalyptic number.

It is an amenable number.

75454648 is a deficient number, since it is larger than the sum of its proper divisors (66123632).

75454648 is a wasteful number, since it uses less digits than its factorization.

75454648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6726 (or 6722 counting only the distinct ones).

The product of its digits is 537600, while the sum is 43.

The square root of 75454648 is about 8686.4634921238. The cubic root of 75454648 is about 422.5667609219.

The spelling of 75454648 in words is "seventy-five million, four hundred fifty-four thousand, six hundred forty-eight".