738047649 has 8 divisors (see below), whose sum is σ = 989956800. Its totient is φ = 489085136.

The previous prime is 738047623. The next prime is 738047677. The reversal of 738047649 is 946740837.

It is a happy number.

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 738047649 - 2⁷ = 738047521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 738047598 and 738047607.

It is not an unprimeable number, because it can be changed into a prime (738047449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736074 + ... + 737075.

It is an arithmetic number, because the mean of its divisors is an integer number (123744600).

Almost surely, 2^738047649 is an apocalyptic number.

It is an amenable number.

738047649 is a deficient number, since it is larger than the sum of its proper divisors (251909151).

738047649 is a wasteful number, since it uses less digits than its factorization.

738047649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473319.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 738047649 is about 27167.0323922213. The cubic root of 738047649 is about 903.7080142874.

The spelling of 738047649 in words is "seven hundred thirty-eight million, forty-seven thousand, six hundred forty-nine".