65407630 has 32 divisors (see below), whose sum is σ = 124027200. Its totient is φ = 24786432.

The previous prime is 65407609. The next prime is 65407631. The reversal of 65407630 is 3670456.

65407630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65407592 and 65407601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65407631) 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 15 ways as a sum of consecutive naturals, for example, 23766 + ... + 26374.

It is an arithmetic number, because the mean of its divisors is an integer number (3875850).

Almost surely, 2^65407630 is an apocalyptic number.

65407630 is a deficient number, since it is larger than the sum of its proper divisors (58619570).

65407630 is a wasteful number, since it uses less digits than its factorization.

65407630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 65407630 is about 8087.4983771250. The cubic root of 65407630 is about 402.9113216084.

The spelling of 65407630 in words is "sixty-five million, four hundred seven thousand, six hundred thirty".