42493718 has 12 divisors (see below), whose sum is σ = 65263068. Its totient is φ = 20750940.

The previous prime is 42493691. The next prime is 42493733. The reversal of 42493718 is 81739424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2048 + ... + 9443.

It is an arithmetic number, because the mean of its divisors is an integer number (5438589).

Almost surely, 2^42493718 is an apocalyptic number.

42493718 is a deficient number, since it is larger than the sum of its proper divisors (22769350).

42493718 is a wasteful number, since it uses less digits than its factorization.

42493718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11579 (or 11536 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 42493718 is about 6518.7205799911. The cubic root of 42493718 is about 348.9594072157.

The spelling of 42493718 in words is "forty-two million, four hundred ninety-three thousand, seven hundred eighteen".