42116670 has 24 divisors (see below), whose sum is σ = 109503576. Its totient is φ = 11231088.

The previous prime is 42116647. The next prime is 42116681. The reversal of 42116670 is 7661124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233892 + ... + 234071.

It is an arithmetic number, because the mean of its divisors is an integer number (4562649).

Almost surely, 2^42116670 is an apocalyptic number.

42116670 is an abundant number, since it is smaller than the sum of its proper divisors (67386906).

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

42116670 is a wasteful number, since it uses less digits than its factorization.

42116670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467976 (or 467973 counting only the distinct ones).

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

The square root of 42116670 is about 6489.7357419235. The cubic root of 42116670 is about 347.9242304323.

Adding to 42116670 its reverse (7661124), we get a palindrome (49777794).

The spelling of 42116670 in words is "forty-two million, one hundred sixteen thousand, six hundred seventy".