64747097 has 2 divisors, whose sum is σ = 64747098. Its totient is φ = 64747096.

The previous prime is 64747087. The next prime is 64747099. The reversal of 64747097 is 79074746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49970761 + 14776336 = 7069^2 + 3844^2 .

It is a cyclic number.

It is not a de Polignac number, because 64747097 - 2⁸ = 64746841 is a prime.

Together with 64747099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (64747099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32373548 + 32373549.

It is an arithmetic number, because the mean of its divisors is an integer number (32373549).

Almost surely, 2^64747097 is an apocalyptic number.

It is an amenable number.

64747097 is a deficient number, since it is larger than the sum of its proper divisors (1).

64747097 is an equidigital number, since it uses as much as digits as its factorization.

64747097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 64747097 is about 8046.5580840506. The cubic root of 64747097 is about 401.5504346993.

The spelling of 64747097 in words is "sixty-four million, seven hundred forty-seven thousand, ninety-seven".