42727900 has 18 divisors (see below), whose sum is σ = 92719760. Its totient is φ = 17091120.

The previous prime is 42727879. The next prime is 42727901. The reversal of 42727900 is 972724.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42727901) 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, 213540 + ... + 213739.

Almost surely, 2^42727900 is an apocalyptic number.

It is an amenable number.

42727900 is an abundant number, since it is smaller than the sum of its proper divisors (49991860).

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

42727900 is a wasteful number, since it uses less digits than its factorization.

42727900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427293 (or 427286 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 42727900 is about 6536.6581675960. The cubic root of 42727900 is about 349.5992692516.

The spelling of 42727900 in words is "forty-two million, seven hundred twenty-seven thousand, nine hundred".