65404673 has 2 divisors, whose sum is σ = 65404674. Its totient is φ = 65404672.

The previous prime is 65404667. The next prime is 65404679. The reversal of 65404673 is 37640456.

It is a balanced prime because it is at equal distance from previous prime (65404667) and next prime (65404679).

It can be written as a sum of positive squares in only one way, i.e., 62995969 + 2408704 = 7937^2 + 1552^2 .

It is a cyclic number.

It is not a de Polignac number, because 65404673 - 2⁶ = 65404609 is a prime.

It is not a weakly prime, because it can be changed into another prime (65404679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32702336 + 32702337.

It is an arithmetic number, because the mean of its divisors is an integer number (32702337).

Almost surely, 2^65404673 is an apocalyptic number.

It is an amenable number.

65404673 is a deficient number, since it is larger than the sum of its proper divisors (1).

65404673 is an equidigital number, since it uses as much as digits as its factorization.

65404673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 65404673 is about 8087.3155620391. The cubic root of 65404673 is about 402.9052498054.

The spelling of 65404673 in words is "sixty-five million, four hundred four thousand, six hundred seventy-three".