49673789 has 4 divisors (see below), whose sum is σ = 54189600. Its totient is φ = 45157980.

The previous prime is 49673777. The next prime is 49673791. The reversal of 49673789 is 98737694.

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 49673789 - 2²⁴ = 32896573 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 49673789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49673989) 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, 2257889 + ... + 2257910.

It is an arithmetic number, because the mean of its divisors is an integer number (13547400).

Almost surely, 2^49673789 is an apocalyptic number.

It is an amenable number.

49673789 is a deficient number, since it is larger than the sum of its proper divisors (4515811).

49673789 is a wasteful number, since it uses less digits than its factorization.

49673789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515810.

The product of its digits is 2286144, while the sum is 53.

The square root of 49673789 is about 7047.9634647180. The cubic root of 49673789 is about 367.6002200945.

The spelling of 49673789 in words is "forty-nine million, six hundred seventy-three thousand, seven hundred eighty-nine".