75137869 has 8 divisors (see below), whose sum is σ = 78255000. Its totient is φ = 72055872.

The previous prime is 75137863. The next prime is 75137873. The reversal of 75137869 is 96873157.

It can be written as a sum of positive squares in 4 ways, for example, as 4796100 + 70341769 = 2190^2 + 8387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75137869 - 2⁹ = 75137357 is a prime.

It is a super-2 number, since 2×75137869² = 11291398715722322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75137863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4374 + ... + 13015.

It is an arithmetic number, because the mean of its divisors is an integer number (9781875).

Almost surely, 2^75137869 is an apocalyptic number.

It is an amenable number.

75137869 is a deficient number, since it is larger than the sum of its proper divisors (3117131).

75137869 is a wasteful number, since it uses less digits than its factorization.

75137869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17567.

The product of its digits is 317520, while the sum is 46.

The square root of 75137869 is about 8668.2102535645. The cubic root of 75137869 is about 421.9745816245.

The spelling of 75137869 in words is "seventy-five million, one hundred thirty-seven thousand, eight hundred sixty-nine".