65040829 has 8 divisors (see below), whose sum is σ = 74397888. Its totient is φ = 55700160.

The previous prime is 65040799. The next prime is 65040863. The reversal of 65040829 is 92804056.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65040829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65040794 and 65040803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65040889) 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, 6114 + ... + 12940.

It is an arithmetic number, because the mean of its divisors is an integer number (9299736).

Almost surely, 2^65040829 is an apocalyptic number.

It is an amenable number.

65040829 is a deficient number, since it is larger than the sum of its proper divisors (9357059).

65040829 is a wasteful number, since it uses less digits than its factorization.

65040829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8195.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 65040829 is about 8064.7894578842. The cubic root of 65040829 is about 402.1567439880.

The spelling of 65040829 in words is "sixty-five million, forty thousand, eight hundred twenty-nine".