738408673 has 2 divisors, whose sum is σ = 738408674. Its totient is φ = 738408672.

The previous prime is 738408653. The next prime is 738408679. The reversal of 738408673 is 376804837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 670395664 + 68013009 = 25892^2 + 8247^2 .

It is a cyclic number.

It is not a de Polignac number, because 738408673 - 2⁹ = 738408161 is a prime.

It is not a weakly prime, because it can be changed into another prime (738408679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369204336 + 369204337.

It is an arithmetic number, because the mean of its divisors is an integer number (369204337).

Almost surely, 2^738408673 is an apocalyptic number.

It is an amenable number.

738408673 is a deficient number, since it is larger than the sum of its proper divisors (1).

738408673 is an equidigital number, since it uses as much as digits as its factorization.

738408673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 738408673 is about 27173.6761039061. The cubic root of 738408673 is about 903.8553431213.

The spelling of 738408673 in words is "seven hundred thirty-eight million, four hundred eight thousand, six hundred seventy-three".