42070426 has 8 divisors (see below), whose sum is σ = 64573344. Its totient is φ = 20545980.

The previous prime is 42070421. The next prime is 42070429. The reversal of 42070426 is 62407024.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42070426.

It is not an unprimeable number, because it can be changed into a prime (42070421) 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, 244510 + ... + 244681.

It is an arithmetic number, because the mean of its divisors is an integer number (8071668).

Almost surely, 2^42070426 is an apocalyptic number.

42070426 is a deficient number, since it is larger than the sum of its proper divisors (22502918).

42070426 is a wasteful number, since it uses less digits than its factorization.

42070426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489236.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 42070426 is about 6486.1719064484. The cubic root of 42070426 is about 347.7968438146.

The spelling of 42070426 in words is "forty-two million, seventy thousand, four hundred twenty-six".