65273270 has 16 divisors (see below), whose sum is σ = 118657008. Its totient is φ = 25850400.

The previous prime is 65273261. The next prime is 65273279. The reversal of 65273270 is 7237256.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65273261) and next prime (65273279).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65273279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31304 + ... + 33323.

It is an arithmetic number, because the mean of its divisors is an integer number (7416063).

Almost surely, 2^65273270 is an apocalyptic number.

65273270 is a deficient number, since it is larger than the sum of its proper divisors (53383738).

65273270 is a wasteful number, since it uses less digits than its factorization.

65273270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64735.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 65273270 is about 8079.1874591446. The cubic root of 65273270 is about 402.6352463983.

The spelling of 65273270 in words is "sixty-five million, two hundred seventy-three thousand, two hundred seventy".