42765216 has 48 divisors (see below), whose sum is σ = 120897504. Its totient is φ = 13158144.

The previous prime is 42765161. The next prime is 42765221. The reversal of 42765216 is 61256724.

It is a tau number, because it is divible by the number of its divisors (48).

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, 15886 + ... + 18381.

It is an arithmetic number, because the mean of its divisors is an integer number (2518698).

Almost surely, 2^42765216 is an apocalyptic number.

It is an amenable number.

42765216 is an abundant number, since it is smaller than the sum of its proper divisors (78132288).

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

42765216 is a wasteful number, since it uses less digits than its factorization.

42765216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34293 (or 34285 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 42765216 is about 6539.5119083919. The cubic root of 42765216 is about 349.7010126902.

The spelling of 42765216 in words is "forty-two million, seven hundred sixty-five thousand, two hundred sixteen".