42760047 has 16 divisors (see below), whose sum is σ = 62375040. Its totient is φ = 25840800.

The previous prime is 42760043. The next prime is 42760063. The reversal of 42760047 is 74006724.

It is not a de Polignac number, because 42760047 - 2² = 42760043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42759996 and 42760023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42760043) 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, 11172 + ... + 14502.

It is an arithmetic number, because the mean of its divisors is an integer number (3898440).

Almost surely, 2^42760047 is an apocalyptic number.

42760047 is a deficient number, since it is larger than the sum of its proper divisors (19614993).

42760047 is a wasteful number, since it uses less digits than its factorization.

42760047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 42760047 is about 6539.1166834673. The cubic root of 42760047 is about 349.6869227550.

The spelling of 42760047 in words is "forty-two million, seven hundred sixty thousand, forty-seven".