75726828 has 18 divisors (see below), whose sum is σ = 191420684. Its totient is φ = 25242264.

The previous prime is 75726811. The next prime is 75726839. The reversal of 75726828 is 82862757.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1051726 + ... + 1051797.

Almost surely, 2^75726828 is an apocalyptic number.

It is an amenable number.

75726828 is an abundant number, since it is smaller than the sum of its proper divisors (115693856).

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

75726828 is a wasteful number, since it uses less digits than its factorization.

75726828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103533 (or 2103528 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 75726828 is about 8702.1162943275. The cubic root of 75726828 is about 423.0742454724.

It can be divided in two parts, 7572 and 6828, that added together give a square (14400 = 120²).

The spelling of 75726828 in words is "seventy-five million, seven hundred twenty-six thousand, eight hundred twenty-eight".