75350231 has 16 divisors (see below), whose sum is σ = 86088960. Its totient is φ = 65405560.

The previous prime is 75350221. The next prime is 75350237. The reversal of 75350231 is 13205357.

It is not a de Polignac number, because 75350231 - 2¹⁰ = 75349207 is a prime.

It is a super-2 number, since 2×75350231² = 11355314623506722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75350231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75350237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133556 + ... + 134118.

It is an arithmetic number, because the mean of its divisors is an integer number (5380560).

Almost surely, 2^75350231 is an apocalyptic number.

75350231 is a deficient number, since it is larger than the sum of its proper divisors (10738729).

75350231 is an equidigital number, since it uses as much as digits as its factorization.

75350231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 75350231 is about 8680.4510827491. The cubic root of 75350231 is about 422.3717496429.

Adding to 75350231 its reverse (13205357), we get a palindrome (88555588).

The spelling of 75350231 in words is "seventy-five million, three hundred fifty thousand, two hundred thirty-one".