75500330 has 16 divisors (see below), whose sum is σ = 138792960. Its totient is φ = 29557392.

The previous prime is 75500317. The next prime is 75500333. The reversal of 75500330 is 3300557.

It is a junction number, because it is equal to n+sod(n) for n = 75500296 and 75500305.

It is not an unprimeable number, because it can be changed into a prime (75500333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79850 + ... + 80789.

It is an arithmetic number, because the mean of its divisors is an integer number (8674560).

Almost surely, 2^75500330 is an apocalyptic number.

75500330 is a deficient number, since it is larger than the sum of its proper divisors (63292630).

75500330 is a wasteful number, since it uses less digits than its factorization.

75500330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160693.

The product of its (nonzero) digits is 1575, while the sum is 23.

The square root of 75500330 is about 8689.0925878368. The cubic root of 75500330 is about 422.6520209686.

Adding to 75500330 its reverse (3300557), we get a palindrome (78800887).

The spelling of 75500330 in words is "seventy-five million, five hundred thousand, three hundred thirty".