738620449 has 4 divisors (see below), whose sum is σ = 844137664. Its totient is φ = 633103236.

The previous prime is 738620431. The next prime is 738620483. The reversal of 738620449 is 944026837.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 738620449 - 2¹¹ = 738618401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738620419) 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 3 ways as a sum of consecutive naturals, for example, 52758597 + ... + 52758610.

It is an arithmetic number, because the mean of its divisors is an integer number (211034416).

Almost surely, 2^738620449 is an apocalyptic number.

It is an amenable number.

738620449 is a deficient number, since it is larger than the sum of its proper divisors (105517215).

738620449 is a wasteful number, since it uses less digits than its factorization.

738620449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105517214.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 738620449 is about 27177.5725369283. The cubic root of 738620449 is about 903.9417435930.

The spelling of 738620449 in words is "seven hundred thirty-eight million, six hundred twenty thousand, four hundred forty-nine".