64976347 has 2 divisors, whose sum is σ = 64976348. Its totient is φ = 64976346.

The previous prime is 64976339. The next prime is 64976369. The reversal of 64976347 is 74367946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64976347 - 2³ = 64976339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64976297 and 64976306.

It is not a weakly prime, because it can be changed into another prime (64976377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32488173 + 32488174.

It is an arithmetic number, because the mean of its divisors is an integer number (32488174).

Almost surely, 2^64976347 is an apocalyptic number.

64976347 is a deficient number, since it is larger than the sum of its proper divisors (1).

64976347 is an equidigital number, since it uses as much as digits as its factorization.

64976347 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 64976347 is about 8060.7907180375. The cubic root of 64976347 is about 402.0237995695.

The spelling of 64976347 in words is "sixty-four million, nine hundred seventy-six thousand, three hundred forty-seven".