42794637 has 4 divisors (see below), whose sum is σ = 57059520. Its totient is φ = 28529756.

The previous prime is 42794629. The next prime is 42794641. The reversal of 42794637 is 73649724.

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 not a de Polignac number, because 42794637 - 2³ = 42794629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42794617) 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, 7132437 + ... + 7132442.

It is an arithmetic number, because the mean of its divisors is an integer number (14264880).

Almost surely, 2^42794637 is an apocalyptic number.

It is an amenable number.

42794637 is a deficient number, since it is larger than the sum of its proper divisors (14264883).

42794637 is a wasteful number, since it uses less digits than its factorization.

42794637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14264882.

The product of its digits is 254016, while the sum is 42.

The square root of 42794637 is about 6541.7610014430. The cubic root of 42794637 is about 349.7811884028.

The spelling of 42794637 in words is "forty-two million, seven hundred ninety-four thousand, six hundred thirty-seven".