42024797 has 4 divisors (see below), whose sum is σ = 42039036. Its totient is φ = 42010560.

The previous prime is 42024781. The next prime is 42024811. The reversal of 42024797 is 79742024.

It is a happy number.

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 32501401 + 9523396 = 5701^2 + 3086^2 .

It is a cyclic number.

It is not a de Polignac number, because 42024797 - 2⁴ = 42024781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42024727) 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, 854 + ... + 9207.

It is an arithmetic number, because the mean of its divisors is an integer number (10509759).

Almost surely, 2^42024797 is an apocalyptic number.

It is an amenable number.

42024797 is a deficient number, since it is larger than the sum of its proper divisors (14239).

42024797 is a wasteful number, since it uses less digits than its factorization.

42024797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14238.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 42024797 is about 6482.6535461954. The cubic root of 42024797 is about 347.6710597862.

The spelling of 42024797 in words is "forty-two million, twenty-four thousand, seven hundred ninety-seven".