49135678 has 16 divisors (see below), whose sum is σ = 78170400. Its totient is φ = 23083776.

The previous prime is 49135673. The next prime is 49135747. The reversal of 49135678 is 87653194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49135673) 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, 34423 + ... + 35821.

It is an arithmetic number, because the mean of its divisors is an integer number (4885650).

Almost surely, 2^49135678 is an apocalyptic number.

49135678 is a deficient number, since it is larger than the sum of its proper divisors (29034722).

49135678 is a wasteful number, since it uses less digits than its factorization.

49135678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451.

The product of its digits is 181440, while the sum is 43.

The square root of 49135678 is about 7009.6845863420. The cubic root of 49135678 is about 366.2680061969.

The spelling of 49135678 in words is "forty-nine million, one hundred thirty-five thousand, six hundred seventy-eight".