42672270 has 16 divisors (see below), whose sum is σ = 102413520. Its totient is φ = 11379264.

The previous prime is 42672269. The next prime is 42672293. The reversal of 42672270 is 7227624.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1422409 = 42672270 / (4 + 2 + 6 + 7 + 2 + 2 + 7 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711175 + ... + 711234.

It is an arithmetic number, because the mean of its divisors is an integer number (6400845).

Almost surely, 2^42672270 is an apocalyptic number.

42672270 is an abundant number, since it is smaller than the sum of its proper divisors (59741250).

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

42672270 is a wasteful number, since it uses less digits than its factorization.

42672270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422419.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 42672270 is about 6532.4015492007. The cubic root of 42672270 is about 349.4474819829.

Adding to 42672270 its reverse (7227624), we get a palindrome (49899894).

The spelling of 42672270 in words is "forty-two million, six hundred seventy-two thousand, two hundred seventy".