736104721 has 4 divisors (see below), whose sum is σ = 803023344. Its totient is φ = 669186100.

The previous prime is 736104701. The next prime is 736104727. The reversal of 736104721 is 127401637.

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 not a de Polignac number, because 736104721 - 2⁵ = 736104689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (736104727) 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, 33459295 + ... + 33459316.

It is an arithmetic number, because the mean of its divisors is an integer number (200755836).

Almost surely, 2^736104721 is an apocalyptic number.

It is an amenable number.

736104721 is a deficient number, since it is larger than the sum of its proper divisors (66918623).

736104721 is a wasteful number, since it uses less digits than its factorization.

736104721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66918622.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 736104721 is about 27131.2498974891. The cubic root of 736104721 is about 902.9143064431.

The spelling of 736104721 in words is "seven hundred thirty-six million, one hundred four thousand, seven hundred twenty-one".