65273445 has 48 divisors (see below), whose sum is σ = 121185792. Its totient is φ = 33670080.

The previous prime is 65273437. The next prime is 65273447. The reversal of 65273445 is 54437256.

It is not a de Polignac number, because 65273445 - 2³ = 65273437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65273447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36799 + ... + 38531.

It is an arithmetic number, because the mean of its divisors is an integer number (2524704).

Almost surely, 2^65273445 is an apocalyptic number.

It is an amenable number.

65273445 is a deficient number, since it is larger than the sum of its proper divisors (55912347).

65273445 is a wasteful number, since it uses less digits than its factorization.

65273445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784 (or 1772 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 65273445 is about 8079.1982894344. The cubic root of 65273445 is about 402.6356062245.

The spelling of 65273445 in words is "sixty-five million, two hundred seventy-three thousand, four hundred forty-five".