42767715 has 32 divisors (see below), whose sum is σ = 70652736. Its totient is φ = 22077440.

The previous prime is 42767713. The next prime is 42767719. The reversal of 42767715 is 51776724.

It is not a de Polignac number, because 42767715 - 2¹ = 42767713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42767713) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120979 + ... + 121331.

It is an arithmetic number, because the mean of its divisors is an integer number (2207898).

Almost surely, 2^42767715 is an apocalyptic number.

42767715 is a deficient number, since it is larger than the sum of its proper divisors (27885021).

42767715 is a wasteful number, since it uses less digits than its factorization.

42767715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599.

The product of its digits is 82320, while the sum is 39.

The square root of 42767715 is about 6539.7029749064. The cubic root of 42767715 is about 349.7078241902.

Subtracting 42767715 from its reverse (51776724), we obtain a palindrome (9009009).

The spelling of 42767715 in words is "forty-two million, seven hundred sixty-seven thousand, seven hundred fifteen".