746666057 has 2 divisors, whose sum is σ = 746666058. Its totient is φ = 746666056.

The previous prime is 746666021. The next prime is 746666069. The reversal of 746666057 is 750666647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 729864256 + 16801801 = 27016^2 + 4099^2 .

It is a cyclic number.

It is not a de Polignac number, because 746666057 - 2¹⁰ = 746665033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (746666357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373333028 + 373333029.

It is an arithmetic number, because the mean of its divisors is an integer number (373333029).

Almost surely, 2^746666057 is an apocalyptic number.

It is an amenable number.

746666057 is a deficient number, since it is larger than the sum of its proper divisors (1).

746666057 is an equidigital number, since it uses as much as digits as its factorization.

746666057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The square root of 746666057 is about 27325.1908867989. The cubic root of 746666057 is about 907.2120352087.

The spelling of 746666057 in words is "seven hundred forty-six million, six hundred sixty-six thousand, fifty-seven".