65814402 has 16 divisors (see below), whose sum is σ = 131753952. Its totient is φ = 21917280.

The previous prime is 65814401. The next prime is 65814409. The reversal of 65814402 is 20441856.

It is a self number, because there is not a number n which added to its sum of digits gives 65814402.

It is not an unprimeable number, because it can be changed into a prime (65814401) 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, 2502 + ... + 11742.

It is an arithmetic number, because the mean of its divisors is an integer number (8234622).

Almost surely, 2^65814402 is an apocalyptic number.

65814402 is an abundant number, since it is smaller than the sum of its proper divisors (65939550).

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

65814402 is a wasteful number, since it uses less digits than its factorization.

65814402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10433.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 65814402 is about 8112.6075955885. The cubic root of 65814402 is about 403.7448352785.

The spelling of 65814402 in words is "sixty-five million, eight hundred fourteen thousand, four hundred two".