738670745 has 8 divisors (see below), whose sum is σ = 916970760. Its totient is φ = 570559360.

The previous prime is 738670739. The next prime is 738670747. The reversal of 738670745 is 547076837.

It can be written as a sum of positive squares in 4 ways, for example, as 11235904 + 727434841 = 3352^2 + 26971^2 .

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

It is not a de Polignac number, because 738670745 - 2⁸ = 738670489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 738670745.

It is not an unprimeable number, because it can be changed into a prime (738670747) by changing a digit.

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, 2546996 + ... + 2547285.

It is an arithmetic number, because the mean of its divisors is an integer number (114621345).

Almost surely, 2^738670745 is an apocalyptic number.

It is an amenable number.

738670745 is a deficient number, since it is larger than the sum of its proper divisors (178300015).

738670745 is a wasteful number, since it uses less digits than its factorization.

738670745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094315.

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 738670745 is about 27178.4978429640. The cubic root of 738670745 is about 903.9622609516.

The spelling of 738670745 in words is "seven hundred thirty-eight million, six hundred seventy thousand, seven hundred forty-five".