42718446 has 12 divisors (see below), whose sum is σ = 92556672. Its totient is φ = 14239476.

The previous prime is 42718439. The next prime is 42718451. The reversal of 42718446 is 64481724.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42718446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1186606 + ... + 1186641.

It is an arithmetic number, because the mean of its divisors is an integer number (7713056).

Almost surely, 2^42718446 is an apocalyptic number.

42718446 is an abundant number, since it is smaller than the sum of its proper divisors (49838226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42718446 is a wasteful number, since it uses less digits than its factorization.

42718446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373255 (or 2373252 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 42718446 is about 6535.9349751967. The cubic root of 42718446 is about 349.5734831705.

The spelling of 42718446 in words is "forty-two million, seven hundred eighteen thousand, four hundred forty-six".