42207616 has 64 divisors (see below), whose sum is σ = 94786560. Its totient is φ = 18547200.

The previous prime is 42207611. The next prime is 42207619. The reversal of 42207616 is 61670224.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42207611) 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, 43165 + ... + 44131.

It is an arithmetic number, because the mean of its divisors is an integer number (1481040).

Almost surely, 2^42207616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42207616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47393280).

42207616 is an abundant number, since it is smaller than the sum of its proper divisors (52578944).

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

42207616 is a wasteful number, since it uses less digits than its factorization.

42207616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 42207616 is about 6496.7388742353. The cubic root of 42207616 is about 348.1744842185.

The spelling of 42207616 in words is "forty-two million, two hundred seven thousand, six hundred sixteen".