65430612 has 96 divisors (see below), whose sum is σ = 189100800. Its totient is φ = 19426176.

The previous prime is 65430611. The next prime is 65430619. The reversal of 65430612 is 21603456.

65430612 is a `hidden beast` number, since 6 + 5 + 43 + 0 + 612 = 666.

65430612 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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65430611) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 39913 + ... + 41519.

It is an arithmetic number, because the mean of its divisors is an integer number (1969800).

Almost surely, 2^65430612 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 65430612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94550400).

65430612 is an abundant number, since it is smaller than the sum of its proper divisors (123670188).

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

65430612 is a wasteful number, since it uses less digits than its factorization.

65430612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 1654 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 65430612 is about 8088.9190872452. The cubic root of 65430612 is about 402.9585058268.

The spelling of 65430612 in words is "sixty-five million, four hundred thirty thousand, six hundred twelve".