42631437 has 8 divisors (see below), whose sum is σ = 58378336. Its totient is φ = 27652752.

The previous prime is 42631423. The next prime is 42631441. The reversal of 42631437 is 73413624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42631437 - 2⁸ = 42631181 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 (42631037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191923 + ... + 192144.

It is an arithmetic number, because the mean of its divisors is an integer number (7297292).

Almost surely, 2^42631437 is an apocalyptic number.

It is an amenable number.

42631437 is a deficient number, since it is larger than the sum of its proper divisors (15746899).

42631437 is a wasteful number, since it uses less digits than its factorization.

42631437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384107.

The product of its digits is 12096, while the sum is 30.

The square root of 42631437 is about 6529.2753809286. The cubic root of 42631437 is about 349.3359845727.

The spelling of 42631437 in words is "forty-two million, six hundred thirty-one thousand, four hundred thirty-seven".