65140372 has 24 divisors (see below), whose sum is σ = 124895232. Its totient is φ = 29481600.

The previous prime is 65140367. The next prime is 65140373. The reversal of 65140372 is 27304156.

It is a self number, because there is not a number n which added to its sum of digits gives 65140372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65140373) 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, 7533 + ... + 13675.

It is an arithmetic number, because the mean of its divisors is an integer number (5203968).

Almost surely, 2^65140372 is an apocalyptic number.

It is an amenable number.

65140372 is a deficient number, since it is larger than the sum of its proper divisors (59754860).

65140372 is a wasteful number, since it uses less digits than its factorization.

65140372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6399 (or 6397 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 65140372 is about 8070.9585552151. The cubic root of 65140372 is about 402.3618022783.

The spelling of 65140372 in words is "sixty-five million, one hundred forty thousand, three hundred seventy-two".