65146873 has 16 divisors (see below), whose sum is σ = 75940416. Its totient is φ = 55229440.

The previous prime is 65146813. The next prime is 65146889. The reversal of 65146873 is 37864156.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 65146873 - 2¹⁷ = 65015801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65146813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19590 + ... + 22672.

It is an arithmetic number, because the mean of its divisors is an integer number (4746276).

Almost surely, 2^65146873 is an apocalyptic number.

It is an amenable number.

65146873 is a deficient number, since it is larger than the sum of its proper divisors (10793543).

65146873 is a wasteful number, since it uses less digits than its factorization.

65146873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3224.

The product of its digits is 120960, while the sum is 40.

The square root of 65146873 is about 8071.3612854338. The cubic root of 65146873 is about 402.3751870503.

It can be divided in two parts, 651 and 46873, that added together give a square (47524 = 218²).

The spelling of 65146873 in words is "sixty-five million, one hundred forty-six thousand, eight hundred seventy-three".