42273813 has 8 divisors (see below), whose sum is σ = 56426688. Its totient is φ = 28151744.

The previous prime is 42273811. The next prime is 42273823. The reversal of 42273813 is 31837224.

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 42273813 - 2¹ = 42273811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42273811) 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, 4281 + ... + 10142.

It is an arithmetic number, because the mean of its divisors is an integer number (7053336).

Almost surely, 2^42273813 is an apocalyptic number.

It is an amenable number.

42273813 is a deficient number, since it is larger than the sum of its proper divisors (14152875).

42273813 is a wasteful number, since it uses less digits than its factorization.

42273813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15403.

The product of its digits is 8064, while the sum is 30.

The square root of 42273813 is about 6501.8315111974. The cubic root of 42273813 is about 348.3564108446.

The spelling of 42273813 in words is "forty-two million, two hundred seventy-three thousand, eight hundred thirteen".