75266743 has 4 divisors (see below), whose sum is σ = 75296520. Its totient is φ = 75236968.

The previous prime is 75266683. The next prime is 75266749. The reversal of 75266743 is 34766257.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34766257 = 19 ⋅1829803.

It is a cyclic number.

It is not a de Polignac number, because 75266743 - 2²⁵ = 41712311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75266696 and 75266705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75266749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10705 + ... + 16282.

It is an arithmetic number, because the mean of its divisors is an integer number (18824130).

Almost surely, 2^75266743 is an apocalyptic number.

75266743 is a deficient number, since it is larger than the sum of its proper divisors (29777).

75266743 is a wasteful number, since it uses less digits than its factorization.

75266743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29776.

The product of its digits is 211680, while the sum is 40.

The square root of 75266743 is about 8675.6407832505. The cubic root of 75266743 is about 422.2156961313.

The spelling of 75266743 in words is "seventy-five million, two hundred sixty-six thousand, seven hundred forty-three".