75828820 has 24 divisors (see below), whose sum is σ = 159465600. Its totient is φ = 30288672.

The previous prime is 75828817. The next prime is 75828839. The reversal of 75828820 is 2882857.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14521 + ... + 19039.

It is an arithmetic number, because the mean of its divisors is an integer number (6644400).

Almost surely, 2^75828820 is an apocalyptic number.

It is an amenable number.

75828820 is an abundant number, since it is smaller than the sum of its proper divisors (83636780).

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

75828820 is a wasteful number, since it uses less digits than its factorization.

75828820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367 (or 5365 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 75828820 is about 8707.9745061639. The cubic root of 75828820 is about 423.2640981834.

The spelling of 75828820 in words is "seventy-five million, eight hundred twenty-eight thousand, eight hundred twenty".