665234034 has 32 divisors (see below), whose sum is σ = 1340098560. Its totient is φ = 220146192.

The previous prime is 665234033. The next prime is 665234069. The reversal of 665234034 is 430432566.

It is a junction number, because it is equal to n+sod(n) for n = 665233986 and 665234004.

It is not an unprimeable number, because it can be changed into a prime (665234033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 749539 + ... + 750425.

It is an arithmetic number, because the mean of its divisors is an integer number (41878080).

Almost surely, 2^665234034 is an apocalyptic number.

665234034 is an abundant number, since it is smaller than the sum of its proper divisors (674864526).

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

665234034 is a wasteful number, since it uses less digits than its factorization.

665234034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 665234034 is about 25792.1312419117. The cubic root of 665234034 is about 872.9542560029.

The spelling of 665234034 in words is "six hundred sixty-five million, two hundred thirty-four thousand, thirty-four".