65740907 has 8 divisors (see below), whose sum is σ = 66548736. Its totient is φ = 64936872.

The previous prime is 65740891. The next prime is 65740919. The reversal of 65740907 is 70904756.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65740907 - 2⁴ = 65740891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65740967) 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, 48878 + ... + 50204.

It is an arithmetic number, because the mean of its divisors is an integer number (8318592).

Almost surely, 2^65740907 is an apocalyptic number.

65740907 is a deficient number, since it is larger than the sum of its proper divisors (807829).

65740907 is a wasteful number, since it uses less digits than its factorization.

65740907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 65740907 is about 8108.0766523264. The cubic root of 65740907 is about 403.5944918988.

The spelling of 65740907 in words is "sixty-five million, seven hundred forty thousand, nine hundred seven".