49194728 has 24 divisors (see below), whose sum is σ = 101389890. Its totient is φ = 22360800.

The previous prime is 49194727. The next prime is 49194751. The reversal of 49194728 is 82749194.

It can be written as a sum of positive squares in only one way, i.e., 27646564 + 21548164 = 5258^2 + 4642^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (49194721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24443 + ... + 26378.

Almost surely, 2^49194728 is an apocalyptic number.

It is an amenable number.

49194728 is an abundant number, since it is smaller than the sum of its proper divisors (52195162).

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

49194728 is a wasteful number, since it uses less digits than its factorization.

49194728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50849 (or 50834 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 49194728 is about 7013.8953513722. The cubic root of 49194728 is about 366.4146712978.

The spelling of 49194728 in words is "forty-nine million, one hundred ninety-four thousand, seven hundred twenty-eight".