42076537 has 4 divisors (see below), whose sum is σ = 43102836. Its totient is φ = 41050240.

The previous prime is 42076501. The next prime is 42076549. The reversal of 42076537 is 73567024.

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 9174841 + 32901696 = 3029^2 + 5736^2 .

It is a cyclic number.

It is not a de Polignac number, because 42076537 - 2¹⁵ = 42043769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42071537) 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, 513088 + ... + 513169.

It is an arithmetic number, because the mean of its divisors is an integer number (10775709).

Almost surely, 2^42076537 is an apocalyptic number.

It is an amenable number.

42076537 is a deficient number, since it is larger than the sum of its proper divisors (1026299).

42076537 is a wasteful number, since it uses less digits than its factorization.

42076537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026298.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 42076537 is about 6486.6429684391. The cubic root of 42076537 is about 347.8136829089.

The spelling of 42076537 in words is "forty-two million, seventy-six thousand, five hundred thirty-seven".