42106716 has 30 divisors (see below), whose sum is σ = 110076120. Its totient is φ = 14035464.

The previous prime is 42106697. The next prime is 42106733. The reversal of 42106716 is 61760124.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 42106716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 64656 + ... + 65303.

It is an arithmetic number, because the mean of its divisors is an integer number (3669204).

Almost surely, 2^42106716 is an apocalyptic number.

It is an amenable number.

42106716 is an abundant number, since it is smaller than the sum of its proper divisors (67969404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42106716 is a wasteful number, since it uses less digits than its factorization.

42106716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129975 (or 129964 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 42106716 is about 6488.9687932675. The cubic root of 42106716 is about 347.8968183991.

The spelling of 42106716 in words is "forty-two million, one hundred six thousand, seven hundred sixteen".