75352530 has 32 divisors (see below), whose sum is σ = 197287488. Its totient is φ = 18267200.

The previous prime is 75352523. The next prime is 75352553. The reversal of 75352530 is 3525357.

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 15 ways as a sum of consecutive naturals, for example, 113841 + ... + 114500.

It is an arithmetic number, because the mean of its divisors is an integer number (6165234).

Almost surely, 2^75352530 is an apocalyptic number.

75352530 is an abundant number, since it is smaller than the sum of its proper divisors (121934958).

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

75352530 is a wasteful number, since it uses less digits than its factorization.

75352530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228362.

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

The square root of 75352530 is about 8680.5835057328. The cubic root of 75352530 is about 422.3760452403.

Adding to 75352530 its reverse (3525357), we get a palindrome (78877887).

The spelling of 75352530 in words is "seventy-five million, three hundred fifty-two thousand, five hundred thirty".