64707230 has 32 divisors (see below), whose sum is σ = 137410560. Its totient is φ = 21468960.

The previous prime is 64707229. The next prime is 64707239. The reversal of 64707230 is 3270746.

It is a super-2 number, since 2×64707230² = 8374051228545800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64707193 and 64707202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64707239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12740 + ... + 17079.

It is an arithmetic number, because the mean of its divisors is an integer number (4294080).

Almost surely, 2^64707230 is an apocalyptic number.

64707230 is an abundant number, since it is smaller than the sum of its proper divisors (72703330).

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

64707230 is a wasteful number, since it uses less digits than its factorization.

64707230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29864.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 64707230 is about 8044.0804322185. The cubic root of 64707230 is about 401.4680016703.

Adding to 64707230 its reverse (3270746), we get a palindrome (67977976).

The spelling of 64707230 in words is "sixty-four million, seven hundred seven thousand, two hundred thirty".