65490632 has 8 divisors (see below), whose sum is σ = 122794950. Its totient is φ = 32745312.

The previous prime is 65490559. The next prime is 65490661. The reversal of 65490632 is 23609456.

It can be written as a sum of positive squares in only one way, i.e., 63457156 + 2033476 = 7966^2 + 1426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 65490592 and 65490601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4093157 + ... + 4093172.

Almost surely, 2^65490632 is an apocalyptic number.

It is an amenable number.

65490632 is a deficient number, since it is larger than the sum of its proper divisors (57304318).

65490632 is a wasteful number, since it uses less digits than its factorization.

65490632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8186335 (or 8186331 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 65490632 is about 8092.6282504511. The cubic root of 65490632 is about 403.0816804762.

The spelling of 65490632 in words is "sixty-five million, four hundred ninety thousand, six hundred thirty-two".