49729686 has 16 divisors (see below), whose sum is σ = 99878400. Its totient is φ = 16506728.

The previous prime is 49729681. The next prime is 49729697. The reversal of 49729686 is 68692794.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49729681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15906 + ... + 18773.

It is an arithmetic number, because the mean of its divisors is an integer number (6242400).

Almost surely, 2^49729686 is an apocalyptic number.

49729686 is an abundant number, since it is smaller than the sum of its proper divisors (50148714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49729686 is a wasteful number, since it uses less digits than its factorization.

49729686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34923.

The product of its digits is 1306368, while the sum is 51.

The square root of 49729686 is about 7051.9278215251. The cubic root of 49729686 is about 367.7380529932.

The spelling of 49729686 in words is "forty-nine million, seven hundred twenty-nine thousand, six hundred eighty-six".