75241669 has 2 divisors, whose sum is σ = 75241670. Its totient is φ = 75241668.

The previous prime is 75241657. The next prime is 75241693. The reversal of 75241669 is 96614257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50936769 + 24304900 = 7137^2 + 4930^2 .

It is an emirp because it is prime and its reverse (96614257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75241669 - 2⁵ = 75241637 is a prime.

It is a super-2 number, since 2×75241669² = 11322617507811122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75241069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37620834 + 37620835.

It is an arithmetic number, because the mean of its divisors is an integer number (37620835).

Almost surely, 2^75241669 is an apocalyptic number.

It is an amenable number.

75241669 is a deficient number, since it is larger than the sum of its proper divisors (1).

75241669 is an equidigital number, since it uses as much as digits as its factorization.

75241669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 75241669 is about 8674.1955823004. The cubic root of 75241669 is about 422.1688059566.

The spelling of 75241669 in words is "seventy-five million, two hundred forty-one thousand, six hundred sixty-nine".