75814428 has 24 divisors (see below), whose sum is σ = 178296832. Its totient is φ = 25071984.

The previous prime is 75814421. The next prime is 75814429. The reversal of 75814428 is 82441857.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75814421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23350 + ... + 26397.

Almost surely, 2^75814428 is an apocalyptic number.

It is an amenable number.

75814428 is an abundant number, since it is smaller than the sum of its proper divisors (102482404).

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

75814428 is a wasteful number, since it uses less digits than its factorization.

75814428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49881 (or 49879 counting only the distinct ones).

The product of its digits is 71680, while the sum is 39.

The square root of 75814428 is about 8707.1480979710. The cubic root of 75814428 is about 423.2373185573.

The spelling of 75814428 in words is "seventy-five million, eight hundred fourteen thousand, four hundred twenty-eight".