42965737 has 4 divisors (see below), whose sum is σ = 42979140. Its totient is φ = 42952336.

The previous prime is 42965731. The next prime is 42965801. The reversal of 42965737 is 73756924.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6230016 + 36735721 = 2496^2 + 6061^2 .

It is a cyclic number.

It is not a de Polignac number, because 42965737 - 2⁷ = 42965609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42965693 and 42965702.

It is not an unprimeable number, because it can be changed into a prime (42965731) 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, 1263 + ... + 9355.

It is an arithmetic number, because the mean of its divisors is an integer number (10744785).

Almost surely, 2^42965737 is an apocalyptic number.

It is an amenable number.

42965737 is a deficient number, since it is larger than the sum of its proper divisors (13403).

42965737 is an equidigital number, since it uses as much as digits as its factorization.

42965737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13402.

The product of its digits is 317520, while the sum is 43.

The square root of 42965737 is about 6554.8254744120. The cubic root of 42965737 is about 350.2467294307.

It can be divided in two parts, 429 and 65737, that added together give a palindrome (66166).

The spelling of 42965737 in words is "forty-two million, nine hundred sixty-five thousand, seven hundred thirty-seven".