64613707 has 2 divisors, whose sum is σ = 64613708. Its totient is φ = 64613706.

The previous prime is 64613669. The next prime is 64613713. The reversal of 64613707 is 70731646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64613707 - 2¹⁵ = 64580939 is a prime.

It is a super-3 number, since 3×64613707³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (64613797) 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 as a sum of consecutive naturals, namely, 32306853 + 32306854.

It is an arithmetic number, because the mean of its divisors is an integer number (32306854).

Almost surely, 2^64613707 is an apocalyptic number.

64613707 is a deficient number, since it is larger than the sum of its proper divisors (1).

64613707 is an equidigital number, since it uses as much as digits as its factorization.

64613707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 64613707 is about 8038.2651735309. The cubic root of 64613707 is about 401.2744911181.

The spelling of 64613707 in words is "sixty-four million, six hundred thirteen thousand, seven hundred seven".