49637723 has 4 divisors (see below), whose sum is σ = 49683048. Its totient is φ = 49592400.

The previous prime is 49637717. The next prime is 49637743. The reversal of 49637723 is 32773694.

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 49637723 - 2¹² = 49633627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49637743) 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, 20978 + ... + 23223.

It is an arithmetic number, because the mean of its divisors is an integer number (12420762).

Almost surely, 2^49637723 is an apocalyptic number.

49637723 is a deficient number, since it is larger than the sum of its proper divisors (45325).

49637723 is a wasteful number, since it uses less digits than its factorization.

49637723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45324.

The product of its digits is 190512, while the sum is 41.

The square root of 49637723 is about 7045.4043886778. The cubic root of 49637723 is about 367.5112323221.

The spelling of 49637723 in words is "forty-nine million, six hundred thirty-seven thousand, seven hundred twenty-three".