42272394 has 32 divisors (see below), whose sum is σ = 87103296. Its totient is φ = 13668480.

The previous prime is 42272393. The next prime is 42272423. The reversal of 42272394 is 49327224.

It is not an unprimeable number, because it can be changed into a prime (42272393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55464 + ... + 56220.

It is an arithmetic number, because the mean of its divisors is an integer number (2721978).

Almost surely, 2^42272394 is an apocalyptic number.

42272394 is an abundant number, since it is smaller than the sum of its proper divisors (44830902).

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

42272394 is a wasteful number, since it uses less digits than its factorization.

42272394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030.

The product of its digits is 24192, while the sum is 33.

The square root of 42272394 is about 6501.7223871833. The cubic root of 42272394 is about 348.3525130551.

The spelling of 42272394 in words is "forty-two million, two hundred seventy-two thousand, three hundred ninety-four".