42020727 has 16 divisors (see below), whose sum is σ = 64753920. Its totient is φ = 23740992.

The previous prime is 42020687. The next prime is 42020729. The reversal of 42020727 is 72702024.

It is not a de Polignac number, because 42020727 - 2⁷ = 42020599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42020697 and 42020706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42020729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9373 + ... + 13110.

It is an arithmetic number, because the mean of its divisors is an integer number (4047120).

Almost surely, 2^42020727 is an apocalyptic number.

42020727 is a deficient number, since it is larger than the sum of its proper divisors (22733193).

42020727 is a wasteful number, since it uses less digits than its factorization.

42020727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22582.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 42020727 is about 6482.3396239321. The cubic root of 42020727 is about 347.6598357233.

The spelling of 42020727 in words is "forty-two million, twenty thousand, seven hundred twenty-seven".