42607187 has 8 divisors (see below), whose sum is σ = 48869472. Its totient is φ = 36388800.

The previous prime is 42607163. The next prime is 42607193. The reversal of 42607187 is 78170624.

It is a happy number.

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

It is not a de Polignac number, because 42607187 - 2⁸ = 42606931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42607127) 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, 8864 + ... + 12797.

It is an arithmetic number, because the mean of its divisors is an integer number (6108684).

Almost surely, 2^42607187 is an apocalyptic number.

42607187 is a deficient number, since it is larger than the sum of its proper divisors (6262285).

42607187 is a wasteful number, since it uses less digits than its factorization.

42607187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21949.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 42607187 is about 6527.4180960009. The cubic root of 42607187 is about 349.2697345235.

The spelling of 42607187 in words is "forty-two million, six hundred seven thousand, one hundred eighty-seven".