75241385 has 8 divisors (see below), whose sum is σ = 90685320. Its totient is φ = 59929344.

The previous prime is 75241379. The next prime is 75241391. The reversal of 75241385 is 58314257.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (75241379) and next prime (75241391).

It can be written as a sum of positive squares in 4 ways, for example, as 37982569 + 37258816 = 6163^2 + 6104^2 .

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 75241385 - 2²⁰ = 74192809 is a prime.

It is a super-2 number, since 2×75241385² = 11322532033436450, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31712 + ... + 34001.

It is an arithmetic number, because the mean of its divisors is an integer number (11335665).

Almost surely, 2^75241385 is an apocalyptic number.

It is an amenable number.

75241385 is a deficient number, since it is larger than the sum of its proper divisors (15443935).

75241385 is a wasteful number, since it uses less digits than its factorization.

75241385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65947.

The product of its digits is 33600, while the sum is 35.

The square root of 75241385 is about 8674.1792118909. The cubic root of 75241385 is about 422.1682747967.

The spelling of 75241385 in words is "seventy-five million, two hundred forty-one thousand, three hundred eighty-five".