738471845 has 8 divisors (see below), whose sum is σ = 887379576. Its totient is φ = 589968576.

The previous prime is 738471821. The next prime is 738471887. The reversal of 738471845 is 548174837.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 295874401 + 442597444 = 17201^2 + 21038^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 738471845 - 2⁸ = 738471589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 738471845.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97082 + ... + 104411.

It is an arithmetic number, because the mean of its divisors is an integer number (110922447).

Almost surely, 2^738471845 is an apocalyptic number.

It is an amenable number.

738471845 is a deficient number, since it is larger than the sum of its proper divisors (148907731).

738471845 is a wasteful number, since it uses less digits than its factorization.

738471845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202231.

The product of its digits is 752640, while the sum is 47.

The square root of 738471845 is about 27174.8384539817. The cubic root of 738471845 is about 903.8811177922.

The spelling of 738471845 in words is "seven hundred thirty-eight million, four hundred seventy-one thousand, eight hundred forty-five".