75397828 has 48 divisors (see below), whose sum is σ = 149925888. Its totient is φ = 32868000.

The previous prime is 75397801. The next prime is 75397849. The reversal of 75397828 is 82879357.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227623 + ... + 227953.

It is an arithmetic number, because the mean of its divisors is an integer number (3123456).

Almost surely, 2^75397828 is an apocalyptic number.

It is an amenable number.

75397828 is a deficient number, since it is larger than the sum of its proper divisors (74528060).

75397828 is a wasteful number, since it uses less digits than its factorization.

75397828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 542 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

The square root of 75397828 is about 8683.1922701274. The cubic root of 75397828 is about 422.4606650821.

The spelling of 75397828 in words is "seventy-five million, three hundred ninety-seven thousand, eight hundred twenty-eight".