42727808 has 32 divisors (see below), whose sum is σ = 89607000. Its totient is φ = 20238336.

The previous prime is 42727807. The next prime is 42727823. The reversal of 42727808 is 80872724.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42727801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6353 + ... + 11216.

Almost surely, 2^42727808 is an apocalyptic number.

It is an amenable number.

42727808 is an abundant number, since it is smaller than the sum of its proper divisors (46879192).

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

42727808 is a wasteful number, since it uses less digits than its factorization.

42727808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17602 (or 17590 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 42727808 is about 6536.6511303572. The cubic root of 42727808 is about 349.5990183370.

The spelling of 42727808 in words is "forty-two million, seven hundred twenty-seven thousand, eight hundred eight".