75532530 has 64 divisors (see below), whose sum is σ = 198599040. Its totient is φ = 18299904.

The previous prime is 75532489. The next prime is 75532571. The reversal of 75532530 is 3523557.

75532530 is nontrivially palindromic in base 14.

It is an interprime number because it is at equal distance from previous prime (75532489) and next prime (75532571).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12237 + ... + 17343.

It is an arithmetic number, because the mean of its divisors is an integer number (3103110).

Almost surely, 2^75532530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75532530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99299520).

75532530 is an abundant number, since it is smaller than the sum of its proper divisors (123066510).

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

75532530 is a wasteful number, since it uses less digits than its factorization.

75532530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5163.

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 75532530 is about 8690.9452880570. The cubic root of 75532530 is about 422.7120977956.

The spelling of 75532530 in words is "seventy-five million, five hundred thirty-two thousand, five hundred thirty".