75134261 has 4 divisors (see below), whose sum is σ = 78400992. Its totient is φ = 71867532.

The previous prime is 75134219. The next prime is 75134299. The reversal of 75134261 is 16243157.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75134261 - 2¹⁰ = 75133237 is a prime.

It is a super-2 number, since 2×75134261² = 11290314352032242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75134461) 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, 1633331 + ... + 1633376.

It is an arithmetic number, because the mean of its divisors is an integer number (19600248).

Almost surely, 2^75134261 is an apocalyptic number.

It is an amenable number.

75134261 is a deficient number, since it is larger than the sum of its proper divisors (3266731).

75134261 is a wasteful number, since it uses less digits than its factorization.

75134261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266730.

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

The square root of 75134261 is about 8668.0021342868. The cubic root of 75134261 is about 421.9678273355.

The spelling of 75134261 in words is "seventy-five million, one hundred thirty-four thousand, two hundred sixty-one".