75755530 has 16 divisors (see below), whose sum is σ = 136598400. Its totient is φ = 30249232.

The previous prime is 75755521. The next prime is 75755579. The reversal of 75755530 is 3555757.

It is a self number, because there is not a number n which added to its sum of digits gives 75755530.

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, 334 + ... + 12313.

It is an arithmetic number, because the mean of its divisors is an integer number (8537400).

Almost surely, 2^75755530 is an apocalyptic number.

75755530 is a deficient number, since it is larger than the sum of its proper divisors (60842870).

75755530 is a wasteful number, since it uses less digits than its factorization.

75755530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13253.

The product of its (nonzero) digits is 91875, while the sum is 37.

The square root of 75755530 is about 8703.7652771660. The cubic root of 75755530 is about 423.1276899538.

The spelling of 75755530 in words is "seventy-five million, seven hundred fifty-five thousand, five hundred thirty".