65490224 has 20 divisors (see below), whose sum is σ = 127090080. Its totient is φ = 32692800.

The previous prime is 65490209. The next prime is 65490233. The reversal of 65490224 is 42209456.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8297 + ... + 14135.

It is an arithmetic number, because the mean of its divisors is an integer number (6354504).

Almost surely, 2^65490224 is an apocalyptic number.

It is an amenable number.

65490224 is a deficient number, since it is larger than the sum of its proper divisors (61599856).

65490224 is a wasteful number, since it uses less digits than its factorization.

65490224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6548 (or 6542 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 65490224 is about 8092.6030422850. The cubic root of 65490224 is about 403.0808434218.

The spelling of 65490224 in words is "sixty-five million, four hundred ninety thousand, two hundred twenty-four".