42765500 has 24 divisors (see below), whose sum is σ = 93400944. Its totient is φ = 17106000.

The previous prime is 42765491. The next prime is 42765511. The reversal of 42765500 is 556724.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 42266 + ... + 43265.

It is an arithmetic number, because the mean of its divisors is an integer number (3891706).

Almost surely, 2^42765500 is an apocalyptic number.

It is an amenable number.

42765500 is an abundant number, since it is smaller than the sum of its proper divisors (50635444).

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

42765500 is a wasteful number, since it uses less digits than its factorization.

42765500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85550 (or 85538 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 42765500 is about 6539.5336225147. The cubic root of 42765500 is about 349.7017867996.

The spelling of 42765500 in words is "forty-two million, seven hundred sixty-five thousand, five hundred".