65273120 has 48 divisors (see below), whose sum is σ = 168231168. Its totient is φ = 23735040.

The previous prime is 65273099. The next prime is 65273123. The reversal of 65273120 is 2137256.

65273120 = T₄₇₂ + T₄₇₃ + ... + T₇₉₁.

It is a self number, because there is not a number n which added to its sum of digits gives 65273120.

It is not an unprimeable number, because it can be changed into a prime (65273123) 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, 16784 + ... + 20303.

It is an arithmetic number, because the mean of its divisors is an integer number (3504816).

Almost surely, 2^65273120 is an apocalyptic number.

It is an amenable number.

65273120 is an abundant number, since it is smaller than the sum of its proper divisors (102958048).

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

65273120 is a wasteful number, since it uses less digits than its factorization.

65273120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37113 (or 37105 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 65273120 is about 8079.1781760276. The cubic root of 65273120 is about 402.6349379753.

The spelling of 65273120 in words is "sixty-five million, two hundred seventy-three thousand, one hundred twenty".