49640694 has 8 divisors (see below), whose sum is σ = 99281400. Its totient is φ = 16546896.

The previous prime is 49640659. The next prime is 49640707. The reversal of 49640694 is 49604694.

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

49640694 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4136719 + ... + 4136730.

It is an arithmetic number, because the mean of its divisors is an integer number (12410175).

Almost surely, 2^49640694 is an apocalyptic number.

49640694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

49640694 is a wasteful number, since it uses less digits than its factorization.

49640694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8273454.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 49640694 is about 7045.6152321852. The cubic root of 49640694 is about 367.5185644747.

The spelling of 49640694 in words is "forty-nine million, six hundred forty thousand, six hundred ninety-four".