65142973 has 16 divisors (see below), whose sum is σ = 76599936. Its totient is φ = 54236160.

The previous prime is 65142947. The next prime is 65143003. The reversal of 65142973 is 37924156.

It is a cyclic number.

It is not a de Polignac number, because 65142973 - 2²¹ = 63045821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65142073) 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, 100990 + ... + 101632.

It is an arithmetic number, because the mean of its divisors is an integer number (4787496).

Almost surely, 2^65142973 is an apocalyptic number.

It is an amenable number.

65142973 is a deficient number, since it is larger than the sum of its proper divisors (11456963).

65142973 is a wasteful number, since it uses less digits than its factorization.

65142973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its digits is 45360, while the sum is 37.

The square root of 65142973 is about 8071.1196868836. The cubic root of 65142973 is about 402.3671575293.

The spelling of 65142973 in words is "sixty-five million, one hundred forty-two thousand, nine hundred seventy-three".