49781072 has 20 divisors (see below), whose sum is σ = 105219456. Its totient is φ = 22627680.

The previous prime is 49781051. The next prime is 49781087. The reversal of 49781072 is 27018794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141248 + ... + 141599.

Almost surely, 2^49781072 is an apocalyptic number.

It is an amenable number.

49781072 is an abundant number, since it is smaller than the sum of its proper divisors (55438384).

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

49781072 is a wasteful number, since it uses less digits than its factorization.

49781072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282866 (or 282860 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 49781072 is about 7055.5702816994. The cubic root of 49781072 is about 367.8646714123.

The spelling of 49781072 in words is "forty-nine million, seven hundred eighty-one thousand, seventy-two".