64965073 has 2 divisors, whose sum is σ = 64965074. Its totient is φ = 64965072.

The previous prime is 64965059. The next prime is 64965079. The reversal of 64965073 is 37056946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39087504 + 25877569 = 6252^2 + 5087^2 .

It is a cyclic number.

It is not a de Polignac number, because 64965073 - 2²⁵ = 31410641 is a prime.

It is not a weakly prime, because it can be changed into another prime (64965079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32482536 + 32482537.

It is an arithmetic number, because the mean of its divisors is an integer number (32482537).

Almost surely, 2^64965073 is an apocalyptic number.

It is an amenable number.

64965073 is a deficient number, since it is larger than the sum of its proper divisors (1).

64965073 is an equidigital number, since it uses as much as digits as its factorization.

64965073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 64965073 is about 8060.0913766532. The cubic root of 64965073 is about 402.0005466029. Note that the first 3 decimals are identical.

The spelling of 64965073 in words is "sixty-four million, nine hundred sixty-five thousand, seventy-three".