42747927 has 8 divisors (see below), whose sum is σ = 57719040. Its totient is φ = 28137720.

The previous prime is 42747923. The next prime is 42747931. The reversal of 42747927 is 72974724.

It is an interprime number because it is at equal distance from previous prime (42747923) and next prime (42747931).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42747927 - 2² = 42747923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42747923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89949 + ... + 90422.

It is an arithmetic number, because the mean of its divisors is an integer number (7214880).

Almost surely, 2^42747927 is an apocalyptic number.

42747927 is a deficient number, since it is larger than the sum of its proper divisors (14971113).

42747927 is a wasteful number, since it uses less digits than its factorization.

42747927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180453.

The product of its digits is 197568, while the sum is 42.

The square root of 42747927 is about 6538.1898871171. The cubic root of 42747927 is about 349.6538809610.

The spelling of 42747927 in words is "forty-two million, seven hundred forty-seven thousand, nine hundred twenty-seven".