75132641 has 4 divisors (see below), whose sum is σ = 76550292. Its totient is φ = 73714992.

The previous prime is 75132637. The next prime is 75132671. The reversal of 75132641 is 14623157.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62742241 + 12390400 = 7921^2 + 3520^2 .

It is a cyclic number.

It is not a de Polignac number, because 75132641 - 2² = 75132637 is a prime.

It is a super-3 number, since 3×75132641³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75132671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708746 + ... + 708851.

It is an arithmetic number, because the mean of its divisors is an integer number (19137573).

Almost surely, 2^75132641 is an apocalyptic number.

It is an amenable number.

75132641 is a deficient number, since it is larger than the sum of its proper divisors (1417651).

75132641 is a wasteful number, since it uses less digits than its factorization.

75132641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417650.

The product of its digits is 5040, while the sum is 29.

The square root of 75132641 is about 8667.9086866441. The cubic root of 75132641 is about 421.9647945743.

Adding to 75132641 its reverse (14623157), we get a palindrome (89755798).

The spelling of 75132641 in words is "seventy-five million, one hundred thirty-two thousand, six hundred forty-one".