75727423 has 4 divisors (see below), whose sum is σ = 76422280. Its totient is φ = 75032568.

The previous prime is 75727417. The next prime is 75727447. The reversal of 75727423 is 32472757.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75727423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75721423) 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, 347265 + ... + 347482.

It is an arithmetic number, because the mean of its divisors is an integer number (19105570).

Almost surely, 2^75727423 is an apocalyptic number.

75727423 is a deficient number, since it is larger than the sum of its proper divisors (694857).

75727423 is a wasteful number, since it uses less digits than its factorization.

75727423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694856.

The product of its digits is 82320, while the sum is 37.

The square root of 75727423 is about 8702.1504813466. The cubic root of 75727423 is about 423.0753535276.

The spelling of 75727423 in words is "seventy-five million, seven hundred twenty-seven thousand, four hundred twenty-three".