42249762 has 40 divisors (see below), whose sum is σ = 96995052. Its totient is φ = 13737600.

The previous prime is 42249751. The next prime is 42249769. The reversal of 42249762 is 26794224.

It can be written as a sum of positive squares in 2 ways, for example, as 35390601 + 6859161 = 5949^2 + 2619^2 .

It is not an unprimeable number, because it can be changed into a prime (42249769) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3462 + ... + 9822.

Almost surely, 2^42249762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42249762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48497526).

42249762 is an abundant number, since it is smaller than the sum of its proper divisors (54745290).

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

42249762 is a wasteful number, since it uses less digits than its factorization.

42249762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416 (or 6407 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 42249762 is about 6499.9816922819. The cubic root of 42249762 is about 348.2903344027.

The spelling of 42249762 in words is "forty-two million, two hundred forty-nine thousand, seven hundred sixty-two".