42613426 has 4 divisors (see below), whose sum is σ = 63920142. Its totient is φ = 21306712.

The previous prime is 42613397. The next prime is 42613429. The reversal of 42613426 is 62431624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27050401 + 15563025 = 5201^2 + 3945^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42613394 and 42613403.

It is not an unprimeable number, because it can be changed into a prime (42613429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10653355 + ... + 10653358.

Almost surely, 2^42613426 is an apocalyptic number.

42613426 is a deficient number, since it is larger than the sum of its proper divisors (21306716).

42613426 is a wasteful number, since it uses less digits than its factorization.

42613426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21306715.

The product of its digits is 6912, while the sum is 28.

The square root of 42613426 is about 6527.8959856909. The cubic root of 42613426 is about 349.2867816281.

The spelling of 42613426 in words is "forty-two million, six hundred thirteen thousand, four hundred twenty-six".