75263243 has 4 divisors (see below), whose sum is σ = 82105368. Its totient is φ = 68421120.

The previous prime is 75263231. The next prime is 75263261. The reversal of 75263243 is 34236257.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75263243 - 2⁶ = 75263179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75263213) 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, 3421046 + ... + 3421067.

It is an arithmetic number, because the mean of its divisors is an integer number (20526342).

Almost surely, 2^75263243 is an apocalyptic number.

75263243 is a deficient number, since it is larger than the sum of its proper divisors (6842125).

75263243 is a wasteful number, since it uses less digits than its factorization.

75263243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842124.

The product of its digits is 30240, while the sum is 32.

The square root of 75263243 is about 8675.4390666986. The cubic root of 75263243 is about 422.2091515062.

The spelling of 75263243 in words is "seventy-five million, two hundred sixty-three thousand, two hundred forty-three".