65142772 has 12 divisors (see below), whose sum is σ = 114095520. Its totient is φ = 32544056.

The previous prime is 65142769. The next prime is 65142817. The reversal of 65142772 is 27724156.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 898 + ... + 11449.

It is an arithmetic number, because the mean of its divisors is an integer number (9507960).

Almost surely, 2^65142772 is an apocalyptic number.

It is an amenable number.

65142772 is a deficient number, since it is larger than the sum of its proper divisors (48952748).

65142772 is a wasteful number, since it uses less digits than its factorization.

65142772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13670 (or 13668 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 65142772 is about 8071.1072350700. The cubic root of 65142772 is about 402.3667436915.

The spelling of 65142772 in words is "sixty-five million, one hundred forty-two thousand, seven hundred seventy-two".