49781742 has 16 divisors (see below), whose sum is σ = 101682432. Its totient is φ = 16240760.

The previous prime is 49781741. The next prime is 49781747. The reversal of 49781742 is 24718794.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 49781694 and 49781703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49781741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87984 + ... + 88547.

It is an arithmetic number, because the mean of its divisors is an integer number (6355152).

Almost surely, 2^49781742 is an apocalyptic number.

49781742 is an abundant number, since it is smaller than the sum of its proper divisors (51900690).

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

49781742 is a wasteful number, since it uses less digits than its factorization.

49781742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176583.

The product of its digits is 112896, while the sum is 42.

The square root of 49781742 is about 7055.6177617555. The cubic root of 49781742 is about 367.8663217599.

The spelling of 49781742 in words is "forty-nine million, seven hundred eighty-one thousand, seven hundred forty-two".