42345688 has 32 divisors (see below), whose sum is σ = 98991360. Its totient is φ = 16498080.

The previous prime is 42345679. The next prime is 42345697. The reversal of 42345688 is 88654324.

It is an interprime number because it is at equal distance from previous prime (42345679) and next prime (42345697).

It is a self number, because there is not a number n which added to its sum of digits gives 42345688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33756 + ... + 34987.

It is an arithmetic number, because the mean of its divisors is an integer number (3093480).

Almost surely, 2^42345688 is an apocalyptic number.

It is an amenable number.

42345688 is an abundant number, since it is smaller than the sum of its proper divisors (56645672).

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

42345688 is a wasteful number, since it uses less digits than its factorization.

42345688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68767 (or 68763 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The square root of 42345688 is about 6507.3564525082. The cubic root of 42345688 is about 348.5537271696.

The spelling of 42345688 in words is "forty-two million, three hundred forty-five thousand, six hundred eighty-eight".