42872670 has 24 divisors (see below), whose sum is σ = 111469176. Its totient is φ = 11432688.

The previous prime is 42872663. The next prime is 42872671. The reversal of 42872670 is 7627824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42872671) 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, 238092 + ... + 238271.

It is an arithmetic number, because the mean of its divisors is an integer number (4644549).

Almost surely, 2^42872670 is an apocalyptic number.

42872670 is an abundant number, since it is smaller than the sum of its proper divisors (68596506).

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

42872670 is a wasteful number, since it uses less digits than its factorization.

42872670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476376 (or 476373 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 42872670 is about 6547.7225048104. The cubic root of 42872670 is about 349.9936597491.

The spelling of 42872670 in words is "forty-two million, eight hundred seventy-two thousand, six hundred seventy".