42274900 has 18 divisors (see below), whose sum is σ = 91736750. Its totient is φ = 16909920.

The previous prime is 42274889. The next prime is 42274901. The reversal of 42274900 is 947224.

It can be written as a sum of positive squares in 3 ways, for example, as 10329796 + 31945104 = 3214^2 + 5652^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42274901) 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, 211275 + ... + 211474.

Almost surely, 2^42274900 is an apocalyptic number.

It is an amenable number.

42274900 is an abundant number, since it is smaller than the sum of its proper divisors (49461850).

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

42274900 is a wasteful number, since it uses less digits than its factorization.

42274900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422763 (or 422756 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 42274900 is about 6501.9151024910. The cubic root of 42274900 is about 348.3593966187.

The spelling of 42274900 in words is "forty-two million, two hundred seventy-four thousand, nine hundred".