42718426 has 8 divisors (see below), whose sum is σ = 64700064. Its totient is φ = 21151740.

The previous prime is 42718409. The next prime is 42718439. The reversal of 42718426 is 62481724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42718391 and 42718400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103480 + ... + 103891.

It is an arithmetic number, because the mean of its divisors is an integer number (8087508).

Almost surely, 2^42718426 is an apocalyptic number.

42718426 is a deficient number, since it is larger than the sum of its proper divisors (21981638).

42718426 is a wasteful number, since it uses less digits than its factorization.

42718426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207476.

The product of its digits is 21504, while the sum is 34.

The square root of 42718426 is about 6535.9334451936. The cubic root of 42718426 is about 349.5734286158.

The spelling of 42718426 in words is "forty-two million, seven hundred eighteen thousand, four hundred twenty-six".