42634037 has 4 divisors (see below), whose sum is σ = 42667680. Its totient is φ = 42600396.

The previous prime is 42634013. The next prime is 42634051. The reversal of 42634037 is 73043624.

It is a happy number.

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 42634037 - 2⁸ = 42633781 is a prime.

It is a super-2 number, since 2×42634037² = 3635322221834738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42634087) 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, 14843 + ... + 17480.

It is an arithmetic number, because the mean of its divisors is an integer number (10666920).

Almost surely, 2^42634037 is an apocalyptic number.

It is an amenable number.

42634037 is a deficient number, since it is larger than the sum of its proper divisors (33643).

42634037 is a wasteful number, since it uses less digits than its factorization.

42634037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33642.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 42634037 is about 6529.4744811508. The cubic root of 42634037 is about 349.3430861794.

The spelling of 42634037 in words is "forty-two million, six hundred thirty-four thousand, thirty-seven".