42920027 has 8 divisors (see below), whose sum is σ = 45032832. Its totient is φ = 40852800.

The previous prime is 42920021. The next prime is 42920041. The reversal of 42920027 is 72002924.

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

It is a cyclic number.

It is not a de Polignac number, because 42920027 - 2¹⁸ = 42657883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42919978 and 42920005.

It is not an unprimeable number, because it can be changed into a prime (42920021) 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, 9458 + ... + 13239.

It is an arithmetic number, because the mean of its divisors is an integer number (5629104).

Almost surely, 2^42920027 is an apocalyptic number.

42920027 is a deficient number, since it is larger than the sum of its proper divisors (2112805).

42920027 is a wasteful number, since it uses less digits than its factorization.

42920027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22789.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 42920027 is about 6551.3378023118. The cubic root of 42920027 is about 350.1224795833.

The spelling of 42920027 in words is "forty-two million, nine hundred twenty thousand, twenty-seven".