65630484 has 72 divisors (see below), whose sum is σ = 175812000. Its totient is φ = 20585664.

The previous prime is 65630459. The next prime is 65630527. The reversal of 65630484 is 48403656.

65630484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156427 + ... + 156845.

Almost surely, 2^65630484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65630484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87906000).

65630484 is an abundant number, since it is smaller than the sum of its proper divisors (110181516).

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

65630484 is a wasteful number, since it uses less digits than its factorization.

65630484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 65630484 is about 8101.2643457673. The cubic root of 65630484 is about 403.3683968030.

The spelling of 65630484 in words is "sixty-five million, six hundred thirty thousand, four hundred eighty-four".