64679347 has 2 divisors, whose sum is σ = 64679348. Its totient is φ = 64679346.

The previous prime is 64679333. The next prime is 64679357. The reversal of 64679347 is 74397646.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64679347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64679297 and 64679306.

It is not a weakly prime, because it can be changed into another prime (64679317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32339673 + 32339674.

It is an arithmetic number, because the mean of its divisors is an integer number (32339674).

Almost surely, 2^64679347 is an apocalyptic number.

64679347 is a deficient number, since it is larger than the sum of its proper divisors (1).

64679347 is an equidigital number, since it uses as much as digits as its factorization.

64679347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 46.

The square root of 64679347 is about 8042.3471076546. The cubic root of 64679347 is about 401.4103278443.

The spelling of 64679347 in words is "sixty-four million, six hundred seventy-nine thousand, three hundred forty-seven".