65040767 has 6 divisors (see below), whose sum is σ = 71491224. Its totient is φ = 59127860.

The previous prime is 65040751. The next prime is 65040799. The reversal of 65040767 is 76704056.

It is not a de Polignac number, because 65040767 - 2⁴ = 65040751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65040727) 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, 268643 + ... + 268884.

It is an arithmetic number, because the mean of its divisors is an integer number (11915204).

Almost surely, 2^65040767 is an apocalyptic number.

65040767 is a deficient number, since it is larger than the sum of its proper divisors (6450457).

65040767 is a wasteful number, since it uses less digits than its factorization.

65040767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537549 (or 537538 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 65040767 is about 8064.7856140136. The cubic root of 65040767 is about 402.1566162030.

The spelling of 65040767 in words is "sixty-five million, forty thousand, seven hundred sixty-seven".