42796637 has 4 divisors (see below), whose sum is σ = 46088700. Its totient is φ = 39504576.

The previous prime is 42796627. The next prime is 42796639. The reversal of 42796637 is 73669724.

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 2524921 + 40271716 = 1589^2 + 6346^2 .

It is a cyclic number.

It is not a de Polignac number, because 42796637 - 2⁸ = 42796381 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 (42796639) 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, 1646012 + ... + 1646037.

It is an arithmetic number, because the mean of its divisors is an integer number (11522175).

Almost surely, 2^42796637 is an apocalyptic number.

It is an amenable number.

42796637 is a deficient number, since it is larger than the sum of its proper divisors (3292063).

42796637 is a wasteful number, since it uses less digits than its factorization.

42796637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292062.

The product of its digits is 381024, while the sum is 44.

The square root of 42796637 is about 6541.9138636946. The cubic root of 42796637 is about 349.7866373058.

The spelling of 42796637 in words is "forty-two million, seven hundred ninety-six thousand, six hundred thirty-seven".