42371900 has 72 divisors (see below), whose sum is σ = 100254000. Its totient is φ = 15482880.

The previous prime is 42371873. The next prime is 42371941. The reversal of 42371900 is 917324.

It is a super-2 number, since 2×42371900² = 3590755819220000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42371900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54716 + ... + 55484.

Almost surely, 2^42371900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42371900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50127000).

42371900 is an abundant number, since it is smaller than the sum of its proper divisors (57882100).

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

42371900 is a wasteful number, since it uses less digits than its factorization.

42371900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 42371900 is about 6509.3701692253. The cubic root of 42371900 is about 348.6256306404.

The spelling of 42371900 in words is "forty-two million, three hundred seventy-one thousand, nine hundred".