738658873 has 2 divisors, whose sum is σ = 738658874. Its totient is φ = 738658872.

The previous prime is 738658867. The next prime is 738658889. The reversal of 738658873 is 378856837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 484352064 + 254306809 = 22008^2 + 15947^2 .

It is an emirp because it is prime and its reverse (378856837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 738658873 - 2⁵ = 738658841 is a prime.

It is not a weakly prime, because it can be changed into another prime (738658073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369329436 + 369329437.

It is an arithmetic number, because the mean of its divisors is an integer number (369329437).

Almost surely, 2^738658873 is an apocalyptic number.

It is an amenable number.

738658873 is a deficient number, since it is larger than the sum of its proper divisors (1).

738658873 is an equidigital number, since it uses as much as digits as its factorization.

738658873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 55.

The square root of 738658873 is about 27178.2794341364. The cubic root of 738658873 is about 903.9574180643.

The spelling of 738658873 in words is "seven hundred thirty-eight million, six hundred fifty-eight thousand, eight hundred seventy-three".