738449568 has 96 divisors (see below), whose sum is σ = 2158773120. Its totient is φ = 245583360.

The previous prime is 738449563. The next prime is 738449581. The reversal of 738449568 is 865944837.

738449568 is a `hidden beast` number, since 7 + 38 + 4 + 49 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×738449568³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (738449561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558348 + ... + 559668.

It is an arithmetic number, because the mean of its divisors is an integer number (22487220).

Almost surely, 2^738449568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 738449568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079386560).

738449568 is an abundant number, since it is smaller than the sum of its proper divisors (1420323552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

738449568 is a wasteful number, since it uses less digits than its factorization.

738449568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987 (or 1973 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 738449568 is about 27174.4285680490. The cubic root of 738449568 is about 903.8720287695.

The spelling of 738449568 in words is "seven hundred thirty-eight million, four hundred forty-nine thousand, five hundred sixty-eight".