736690816 has 32 divisors (see below), whose sum is σ = 1468876500. Its totient is φ = 368031744.

The previous prime is 736690813. The next prime is 736690841. The reversal of 736690816 is 618096637.

It can be written as a sum of positive squares in 2 ways, for example, as 657409600 + 79281216 = 25640^2 + 8904^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (736690811) 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, 247996 + ... + 250948.

Almost surely, 2^736690816 is an apocalyptic number.

It is an amenable number.

736690816 is a deficient number, since it is larger than the sum of its proper divisors (732185684).

736690816 is a wasteful number, since it uses less digits than its factorization.

736690816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4916 (or 4904 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 736690816 is about 27142.0488541304. The cubic root of 736690816 is about 903.1538797708.

The spelling of 736690816 in words is "seven hundred thirty-six million, six hundred ninety thousand, eight hundred sixteen".