42273797 has 8 divisors (see below), whose sum is σ = 42814200. Its totient is φ = 41736384.

The previous prime is 42273787. The next prime is 42273811. The reversal of 42273797 is 79737224.

It can be written as a sum of positive squares in 4 ways, for example, as 11792356 + 30481441 = 3434^2 + 5521^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42273797 - 2⁸ = 42273541 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 (42273757) 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, 41903 + ... + 42899.

It is an arithmetic number, because the mean of its divisors is an integer number (5351775).

Almost surely, 2^42273797 is an apocalyptic number.

It is an amenable number.

42273797 is a deficient number, since it is larger than the sum of its proper divisors (540403).

42273797 is a wasteful number, since it uses less digits than its factorization.

42273797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495.

The product of its digits is 148176, while the sum is 41.

The square root of 42273797 is about 6501.8302807748. The cubic root of 42273797 is about 348.3563668954.

The spelling of 42273797 in words is "forty-two million, two hundred seventy-three thousand, seven hundred ninety-seven".