42605342 has 16 divisors (see below), whose sum is σ = 68932080. Its totient is φ = 19633152.

The previous prime is 42605323. The next prime is 42605351. The reversal of 42605342 is 24350624.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29534 + ... + 30942.

It is an arithmetic number, because the mean of its divisors is an integer number (4308255).

Almost surely, 2^42605342 is an apocalyptic number.

42605342 is a deficient number, since it is larger than the sum of its proper divisors (26326738).

42605342 is a wasteful number, since it uses less digits than its factorization.

42605342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 42605342 is about 6527.2767675348. The cubic root of 42605342 is about 349.2646930269.

Adding to 42605342 its reverse (24350624), we get a palindrome (66955966).

The spelling of 42605342 in words is "forty-two million, six hundred five thousand, three hundred forty-two".