49726321 has 4 divisors (see below), whose sum is σ = 50569200. Its totient is φ = 48883444.

The previous prime is 49726297. The next prime is 49726331. The reversal of 49726321 is 12362794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49726321 - 2⁵ = 49726289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49726331) 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, 421351 + ... + 421468.

It is an arithmetic number, because the mean of its divisors is an integer number (12642300).

Almost surely, 2^49726321 is an apocalyptic number.

It is an amenable number.

49726321 is a deficient number, since it is larger than the sum of its proper divisors (842879).

49726321 is an equidigital number, since it uses as much as digits as its factorization.

49726321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842878.

The product of its digits is 18144, while the sum is 34.

The square root of 49726321 is about 7051.6892302483. The cubic root of 49726321 is about 367.7297583738.

The spelling of 49726321 in words is "forty-nine million, seven hundred twenty-six thousand, three hundred twenty-one".