42037769 has 4 divisors (see below), whose sum is σ = 42358800. Its totient is φ = 41716740.

The previous prime is 42037739. The next prime is 42037771. The reversal of 42037769 is 96773024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42037769 is a prime.

It is a super-2 number, since 2×42037769² = 3534348044994722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42037739) 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, 160319 + ... + 160580.

It is an arithmetic number, because the mean of its divisors is an integer number (10589700).

Almost surely, 2^42037769 is an apocalyptic number.

It is an amenable number.

42037769 is a deficient number, since it is larger than the sum of its proper divisors (321031).

42037769 is a wasteful number, since it uses less digits than its factorization.

42037769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321030.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 42037769 is about 6483.6539852154. The cubic root of 42037769 is about 347.7068285493.

The spelling of 42037769 in words is "forty-two million, thirty-seven thousand, seven hundred sixty-nine".