75378448 has 20 divisors (see below), whose sum is σ = 147164688. Its totient is φ = 37400480.

The previous prime is 75378439. The next prime is 75378467. The reversal of 75378448 is 84487357.

It is a junction number, because it is equal to n+sod(n) for n = 75378398 and 75378407.

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 3 ways as a sum of consecutive naturals, for example, 15886 + ... + 20077.

Almost surely, 2^75378448 is an apocalyptic number.

It is an amenable number.

75378448 is a deficient number, since it is larger than the sum of its proper divisors (71786240).

75378448 is a wasteful number, since it uses less digits than its factorization.

75378448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36102 (or 36096 counting only the distinct ones).

The product of its digits is 752640, while the sum is 46.

The square root of 75378448 is about 8682.0762493772. The cubic root of 75378448 is about 422.4244660320.

The spelling of 75378448 in words is "seventy-five million, three hundred seventy-eight thousand, four hundred forty-eight".