42346279 has 4 divisors (see below), whose sum is σ = 43712320. Its totient is φ = 40980240.

The previous prime is 42346277. The next prime is 42346301. The reversal of 42346279 is 97264324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42346279 - 2¹ = 42346277 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 (42346273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682974 + ... + 683035.

It is an arithmetic number, because the mean of its divisors is an integer number (10928080).

Almost surely, 2^42346279 is an apocalyptic number.

42346279 is a deficient number, since it is larger than the sum of its proper divisors (1366041).

42346279 is a wasteful number, since it uses less digits than its factorization.

42346279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366040.

The product of its digits is 72576, while the sum is 37.

The square root of 42346279 is about 6507.4018624947. The cubic root of 42346279 is about 348.5553486987. Note that the first 3 decimals are identical.

The spelling of 42346279 in words is "forty-two million, three hundred forty-six thousand, two hundred seventy-nine".