42794279 has 16 divisors (see below), whose sum is σ = 47792160. Its totient is φ = 37992960.

The previous prime is 42794273. The next prime is 42794309. The reversal of 42794279 is 97249724.

It is a cyclic number.

It is not a de Polignac number, because 42794279 - 2²⁴ = 26017063 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 (42794273) 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, 109817 + ... + 110205.

It is an arithmetic number, because the mean of its divisors is an integer number (2987010).

Almost surely, 2^42794279 is an apocalyptic number.

42794279 is a deficient number, since it is larger than the sum of its proper divisors (4997881).

42794279 is a wasteful number, since it uses less digits than its factorization.

42794279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610.

The product of its digits is 254016, while the sum is 44.

The square root of 42794279 is about 6541.7336387230. The cubic root of 42794279 is about 349.7802130313.

Subtracting 42794279 from its reverse (97249724), we obtain a palindrome (54455445).

It can be divided in two parts, 4279 and 4279, that added together give a palindrome (8558).

The spelling of 42794279 in words is "forty-two million, seven hundred ninety-four thousand, two hundred seventy-nine".