65273434 has 16 divisors (see below), whose sum is σ = 100195200. Its totient is φ = 31883904.

The previous prime is 65273413. The next prime is 65273437. The reversal of 65273434 is 43437256.

It is a self number, because there is not a number n which added to its sum of digits gives 65273434.

It is not an unprimeable number, because it can be changed into a prime (65273437) 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, 13197 + ... + 17455.

It is an arithmetic number, because the mean of its divisors is an integer number (6262200).

Almost surely, 2^65273434 is an apocalyptic number.

65273434 is a deficient number, since it is larger than the sum of its proper divisors (34921766).

65273434 is a wasteful number, since it uses less digits than its factorization.

65273434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437.

The product of its digits is 60480, while the sum is 34.

The square root of 65273434 is about 8079.1976086738. The cubic root of 65273434 is about 402.6355836069.

The spelling of 65273434 in words is "sixty-five million, two hundred seventy-three thousand, four hundred thirty-four".