65140704 has 36 divisors (see below), whose sum is σ = 185244696. Its totient is φ = 21713472.

The previous prime is 65140693. The next prime is 65140709. The reversal of 65140704 is 40704156.

65140704 is a `hidden beast` number, since 651 + 4 + 0 + 7 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×65140704² = 8486622635231232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65140709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112804 + ... + 113379.

It is an arithmetic number, because the mean of its divisors is an integer number (5145686).

Almost surely, 2^65140704 is an apocalyptic number.

It is an amenable number.

65140704 is an abundant number, since it is smaller than the sum of its proper divisors (120103992).

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

65140704 is a wasteful number, since it uses less digits than its factorization.

65140704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226199 (or 226188 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 65140704 is about 8070.9791227583. The cubic root of 65140704 is about 402.3624858477.

The spelling of 65140704 in words is "sixty-five million, one hundred forty thousand, seven hundred four".