42672116 has 12 divisors (see below), whose sum is σ = 74767140. Its totient is φ = 21310080.

The previous prime is 42672101. The next prime is 42672173. The reversal of 42672116 is 61127624.

It can be written as a sum of positive squares in 2 ways, for example, as 29203216 + 13468900 = 5404^2 + 3670^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2531 + ... + 9578.

It is an arithmetic number, because the mean of its divisors is an integer number (6230595).

Almost surely, 2^42672116 is an apocalyptic number.

It is an amenable number.

42672116 is a deficient number, since it is larger than the sum of its proper divisors (32095024).

42672116 is a wasteful number, since it uses less digits than its factorization.

42672116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12994 (or 12992 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 42672116 is about 6532.3897617947. The cubic root of 42672116 is about 349.4470616086.

The spelling of 42672116 in words is "forty-two million, six hundred seventy-two thousand, one hundred sixteen".