42197500 has 30 divisors (see below), whose sum is σ = 92282960. Its totient is φ = 16878000.

The previous prime is 42197447. The next prime is 42197521. The reversal of 42197500 is 579124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5940 + ... + 10939.

Almost surely, 2^42197500 is an apocalyptic number.

It is an amenable number.

42197500 is an abundant number, since it is smaller than the sum of its proper divisors (50085460).

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

42197500 is a wasteful number, since it uses less digits than its factorization.

42197500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16903 (or 16886 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 42197500 is about 6495.9602831298. The cubic root of 42197500 is about 348.1466660596.

The spelling of 42197500 in words is "forty-two million, one hundred ninety-seven thousand, five hundred".