65490802 has 8 divisors (see below), whose sum is σ = 105792876. Its totient is φ = 30226512.

The previous prime is 65490793. The next prime is 65490809. The reversal of 65490802 is 20809456.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63824121 + 1666681 = 7989^2 + 1291^2 .

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

It is not an unprimeable number, because it can be changed into a prime (65490809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259413 + ... + 1259464.

Almost surely, 2^65490802 is an apocalyptic number.

65490802 is a deficient number, since it is larger than the sum of its proper divisors (40302074).

65490802 is a wasteful number, since it uses less digits than its factorization.

65490802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518892.

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

The square root of 65490802 is about 8092.6387538305. The cubic root of 65490802 is about 403.0820292478.

The spelling of 65490802 in words is "sixty-five million, four hundred ninety thousand, eight hundred two".