42672213 has 12 divisors (see below), whose sum is σ = 63626368. Its totient is φ = 27530280.

The previous prime is 42672187. The next prime is 42672221. The reversal of 42672213 is 31227624.

It is not a de Polignac number, because 42672213 - 2⁵ = 42672181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42672293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76195 + ... + 76752.

Almost surely, 2^42672213 is an apocalyptic number.

It is an amenable number.

42672213 is a deficient number, since it is larger than the sum of its proper divisors (20954155).

42672213 is a wasteful number, since it uses less digits than its factorization.

42672213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152984 (or 152981 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 42672213 is about 6532.3971863321. The cubic root of 42672213 is about 349.4473263899.

Adding to 42672213 its reverse (31227624), we get a palindrome (73899837).

The spelling of 42672213 in words is "forty-two million, six hundred seventy-two thousand, two hundred thirteen".