65434544 has 40 divisors (see below), whose sum is σ = 146657280. Its totient is φ = 27701568.

The previous prime is 65434543. The next prime is 65434549. The reversal of 65434544 is 44543456.

It is not an unprimeable number, because it can be changed into a prime (65434541) 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, 5777 + ... + 12815.

It is an arithmetic number, because the mean of its divisors is an integer number (3666432).

Almost surely, 2^65434544 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 65434544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73328640).

65434544 is an abundant number, since it is smaller than the sum of its proper divisors (81222736).

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

65434544 is a wasteful number, since it uses less digits than its factorization.

65434544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137 (or 7131 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

The square root of 65434544 is about 8089.1621321370. The cubic root of 65434544 is about 402.9665774875.

The spelling of 65434544 in words is "sixty-five million, four hundred thirty-four thousand, five hundred forty-four".