51726723 has 8 divisors (see below), whose sum is σ = 69350736. Its totient is φ = 34293600.

The previous prime is 51726677. The next prime is 51726739. The reversal of 51726723 is 32762715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51726723 - 2¹⁴ = 51710339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51726023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47088 + ... + 48173.

It is an arithmetic number, because the mean of its divisors is an integer number (8668842).

Almost surely, 2^51726723 is an apocalyptic number.

51726723 is a deficient number, since it is larger than the sum of its proper divisors (17624013).

51726723 is a wasteful number, since it uses less digits than its factorization.

51726723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95445.

The product of its digits is 17640, while the sum is 33.

The square root of 51726723 is about 7192.1292396619. The cubic root of 51726723 is about 372.5961147110.

The spelling of 51726723 in words is "fifty-one million, seven hundred twenty-six thousand, seven hundred twenty-three".