42602393 has 4 divisors (see below), whose sum is σ = 42695268. Its totient is φ = 42509520.

The previous prime is 42602387. The next prime is 42602411. The reversal of 42602393 is 39320624.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16418704 + 26183689 = 4052^2 + 5117^2 .

It is a cyclic number.

It is not a de Polignac number, because 42602393 - 2¹⁴ = 42586009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42602353) 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, 45746 + ... + 46667.

It is an arithmetic number, because the mean of its divisors is an integer number (10673817).

Almost surely, 2^42602393 is an apocalyptic number.

It is an amenable number.

42602393 is a deficient number, since it is larger than the sum of its proper divisors (92875).

42602393 is an equidigital number, since it uses as much as digits as its factorization.

42602393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92874.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 42602393 is about 6527.0508654369. The cubic root of 42602393 is about 349.2566345277.

The spelling of 42602393 in words is "forty-two million, six hundred two thousand, three hundred ninety-three".