75428270 has 64 divisors (see below), whose sum is σ = 149299200. Its totient is φ = 27350400.

The previous prime is 75428257. The next prime is 75428299. The reversal of 75428270 is 7282457.

It is a self number, because there is not a number n which added to its sum of digits gives 75428270.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506156 + ... + 506304.

It is an arithmetic number, because the mean of its divisors is an integer number (2332800).

Almost surely, 2^75428270 is an apocalyptic number.

75428270 is a deficient number, since it is larger than the sum of its proper divisors (73870930).

75428270 is a wasteful number, since it uses less digits than its factorization.

75428270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 75428270 is about 8684.9450199757. The cubic root of 75428270 is about 422.5175138335.

The spelling of 75428270 in words is "seventy-five million, four hundred twenty-eight thousand, two hundred seventy".