745302673 has 2 divisors, whose sum is σ = 745302674. Its totient is φ = 745302672.

The previous prime is 745302653. The next prime is 745302689. The reversal of 745302673 is 376203547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 481012624 + 264290049 = 21932^2 + 16257^2 .

It is a cyclic number.

It is not a de Polignac number, because 745302673 - 2²¹ = 743205521 is a prime.

It is not a weakly prime, because it can be changed into another prime (745302653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372651336 + 372651337.

It is an arithmetic number, because the mean of its divisors is an integer number (372651337).

Almost surely, 2^745302673 is an apocalyptic number.

It is an amenable number.

745302673 is a deficient number, since it is larger than the sum of its proper divisors (1).

745302673 is an equidigital number, since it uses as much as digits as its factorization.

745302673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 745302673 is about 27300.2321052404. The cubic root of 745302673 is about 906.6595204857.

The spelling of 745302673 in words is "seven hundred forty-five million, three hundred two thousand, six hundred seventy-three".