42749514 has 24 divisors (see below), whose sum is σ = 92789892. Its totient is φ = 14224320.

The previous prime is 42749513. The next prime is 42749533. The reversal of 42749514 is 41594724.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42575625 + 173889 = 6525^2 + 417^2 .

It is not an unprimeable number, because it can be changed into a prime (42749513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10102 + ... + 13694.

Almost surely, 2^42749514 is an apocalyptic number.

42749514 is an abundant number, since it is smaller than the sum of its proper divisors (50040378).

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

42749514 is a wasteful number, since it uses less digits than its factorization.

42749514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262 (or 4259 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 42749514 is about 6538.3112498565. The cubic root of 42749514 is about 349.6582078284.

The spelling of 42749514 in words is "forty-two million, seven hundred forty-nine thousand, five hundred fourteen".