42942273 has 8 divisors (see below), whose sum is σ = 62461536. Its totient is φ = 26025600.

The previous prime is 42942253. The next prime is 42942283. The reversal of 42942273 is 37224924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42942273 - 2⁵ = 42942241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1301281 = 42942273 / (4 + 2 + 9 + 4 + 2 + 2 + 7 + 3).

It is not an unprimeable number, because it can be changed into a prime (42942253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650608 + ... + 650673.

It is an arithmetic number, because the mean of its divisors is an integer number (7807692).

Almost surely, 2^42942273 is an apocalyptic number.

It is an amenable number.

42942273 is a deficient number, since it is larger than the sum of its proper divisors (19519263).

42942273 is a wasteful number, since it uses less digits than its factorization.

42942273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301295.

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

The square root of 42942273 is about 6553.0354035363. The cubic root of 42942273 is about 350.1829601245.

The spelling of 42942273 in words is "forty-two million, nine hundred forty-two thousand, two hundred seventy-three".