42758616 has 16 divisors (see below), whose sum is σ = 106896600. Its totient is φ = 14252864.

The previous prime is 42758609. The next prime is 42758623. The reversal of 42758616 is 61685724.

It is an interprime number because it is at equal distance from previous prime (42758609) and next prime (42758623).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890781 + ... + 890828.

Almost surely, 2^42758616 is an apocalyptic number.

It is an amenable number.

42758616 is an abundant number, since it is smaller than the sum of its proper divisors (64137984).

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

42758616 is a wasteful number, since it uses less digits than its factorization.

42758616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781618 (or 1781614 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 42758616 is about 6539.0072641036. The cubic root of 42758616 is about 349.6830218584.

The spelling of 42758616 in words is "forty-two million, seven hundred fifty-eight thousand, six hundred sixteen".