746173321 has 2 divisors, whose sum is σ = 746173322. Its totient is φ = 746173320.

The previous prime is 746173283. The next prime is 746173327. The reversal of 746173321 is 123371647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 655923321 + 90250000 = 25611^2 + 9500^2 .

It is a cyclic number.

It is not a de Polignac number, because 746173321 - 2¹¹ = 746171273 is a prime.

It is not a weakly prime, because it can be changed into another prime (746173327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373086660 + 373086661.

It is an arithmetic number, because the mean of its divisors is an integer number (373086661).

Almost surely, 2^746173321 is an apocalyptic number.

It is an amenable number.

746173321 is a deficient number, since it is larger than the sum of its proper divisors (1).

746173321 is an equidigital number, since it uses as much as digits as its factorization.

746173321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 746173321 is about 27316.1732495604. The cubic root of 746173321 is about 907.0124304045.

The spelling of 746173321 in words is "seven hundred forty-six million, one hundred seventy-three thousand, three hundred twenty-one".