734668057 has 2 divisors, whose sum is σ = 734668058. Its totient is φ = 734668056.

The previous prime is 734668019. The next prime is 734668061. The reversal of 734668057 is 750866437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 579316761 + 155351296 = 24069^2 + 12464^2 .

It is an emirp because it is prime and its reverse (750866437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 734668057 - 2⁷ = 734667929 is a prime.

It is a super-3 number, since 3×734668057³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 734667998 and 734668016.

It is not a weakly prime, because it can be changed into another prime (734668007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367334028 + 367334029.

It is an arithmetic number, because the mean of its divisors is an integer number (367334029).

Almost surely, 2^734668057 is an apocalyptic number.

It is an amenable number.

734668057 is a deficient number, since it is larger than the sum of its proper divisors (1).

734668057 is an equidigital number, since it uses as much as digits as its factorization.

734668057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 734668057 is about 27104.7607810879. The cubic root of 734668057 is about 902.3265144853.

The spelling of 734668057 in words is "seven hundred thirty-four million, six hundred sixty-eight thousand, fifty-seven".