75429628 has 12 divisors (see below), whose sum is σ = 133309512. Its totient is φ = 37341200.

The previous prime is 75429617. The next prime is 75429661. The reversal of 75429628 is 82692457.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92950 + ... + 93757.

It is an arithmetic number, because the mean of its divisors is an integer number (11109126).

Almost surely, 2^75429628 is an apocalyptic number.

It is an amenable number.

75429628 is a deficient number, since it is larger than the sum of its proper divisors (57879884).

75429628 is a wasteful number, since it uses less digits than its factorization.

75429628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186812 (or 186810 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 75429628 is about 8685.0232008901. The cubic root of 75429628 is about 422.5200494670.

The spelling of 75429628 in words is "seventy-five million, four hundred twenty-nine thousand, six hundred twenty-eight".