75945263 has 4 divisors (see below), whose sum is σ = 75974280. Its totient is φ = 75916248.

The previous prime is 75945253. The next prime is 75945269. The reversal of 75945263 is 36254957.

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 75945263 - 2¹⁸ = 75683119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75945263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75945269) 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, 10145 + ... + 15962.

It is an arithmetic number, because the mean of its divisors is an integer number (18993570).

Almost surely, 2^75945263 is an apocalyptic number.

75945263 is a deficient number, since it is larger than the sum of its proper divisors (29017).

75945263 is a wasteful number, since it uses less digits than its factorization.

75945263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29016.

The product of its digits is 226800, while the sum is 41.

The square root of 75945263 is about 8714.6579393571. The cubic root of 75945263 is about 423.4806426533.

The spelling of 75945263 in words is "seventy-five million, nine hundred forty-five thousand, two hundred sixty-three".