42484837 has 4 divisors (see below), whose sum is σ = 42502860. Its totient is φ = 42466816.

The previous prime is 42484801. The next prime is 42484847. The reversal of 42484837 is 73848424.

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 15952036 + 26532801 = 3994^2 + 5151^2 .

It is a cyclic number.

It is not a de Polignac number, because 42484837 - 2²³ = 34096229 is a prime.

It is a super-2 number, since 2×42484837² = 3609922749833138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42484837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42484847) 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, 4828 + ... + 10405.

It is an arithmetic number, because the mean of its divisors is an integer number (10625715).

Almost surely, 2^42484837 is an apocalyptic number.

It is an amenable number.

42484837 is a deficient number, since it is larger than the sum of its proper divisors (18023).

42484837 is a wasteful number, since it uses less digits than its factorization.

42484837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18022.

The product of its digits is 172032, while the sum is 40.

The square root of 42484837 is about 6518.0393524433. The cubic root of 42484837 is about 348.9350951953.

The spelling of 42484837 in words is "forty-two million, four hundred eighty-four thousand, eight hundred thirty-seven".