42437907 has 12 divisors (see below), whose sum is σ = 62163504. Its totient is φ = 27893040.

The previous prime is 42437903. The next prime is 42437909. The reversal of 42437907 is 70973424.

It is not a de Polignac number, because 42437907 - 2² = 42437903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42437903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32568 + ... + 33845.

It is an arithmetic number, because the mean of its divisors is an integer number (5180292).

Almost surely, 2^42437907 is an apocalyptic number.

42437907 is a deficient number, since it is larger than the sum of its proper divisors (19725597).

42437907 is a wasteful number, since it uses less digits than its factorization.

42437907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66490 (or 66487 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 42437907 is about 6514.4383487757. The cubic root of 42437907 is about 348.8065665366.

The spelling of 42437907 in words is "forty-two million, four hundred thirty-seven thousand, nine hundred seven".