75000628 has 24 divisors (see below), whose sum is σ = 135293984. Its totient is φ = 36352800.

The previous prime is 75000589. The next prime is 75000661. The reversal of 75000628 is 82600057.

75000628 is a nontrivial binomial coefficient, being equal to C(12248, 2).

It is a junction number, because it is equal to n+sod(n) for n = 75000596 and 75000605.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 48223 + ... + 49753.

Almost surely, 2^75000628 is an apocalyptic number.

75000628 is the 12247-th triangular number and also the 6124-th hexagonal number.

75000628 is the 4083-rd centered nonagonal number.

It is an amenable number.

75000628 is a deficient number, since it is larger than the sum of its proper divisors (60293356).

75000628 is a wasteful number, since it uses less digits than its factorization.

75000628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903 (or 1901 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 75000628 is about 8660.2902953654. The cubic root of 75000628 is about 421.7175097047.

The spelling of 75000628 in words is "seventy-five million, six hundred twenty-eight", and thus it is an aban number.