42607140 has 24 divisors (see below), whose sum is σ = 119300160. Its totient is φ = 11361888.

The previous prime is 42607127. The next prime is 42607141. The reversal of 42607140 is 4170624.

It is a self number, because there is not a number n which added to its sum of digits gives 42607140.

It is not an unprimeable number, because it can be changed into a prime (42607141) 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, 355000 + ... + 355119.

It is an arithmetic number, because the mean of its divisors is an integer number (4970840).

Almost surely, 2^42607140 is an apocalyptic number.

It is an amenable number.

42607140 is an abundant number, since it is smaller than the sum of its proper divisors (76693020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42607140 is a wasteful number, since it uses less digits than its factorization.

42607140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710131 (or 710129 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 42607140 is about 6527.4144958015. The cubic root of 42607140 is about 349.2696060970.

Adding to 42607140 its reverse (4170624), we get a palindrome (46777764).

The spelling of 42607140 in words is "forty-two million, six hundred seven thousand, one hundred forty".