731872016 has 20 divisors (see below), whose sum is σ = 1419498432. Its totient is φ = 365549856.

The previous prime is 731872013. The next prime is 731872027. The reversal of 731872016 is 610278137.

It is not an unprimeable number, because it can be changed into a prime (731872013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8180 + ... + 39123.

Almost surely, 2^731872016 is an apocalyptic number.

It is an amenable number.

731872016 is a deficient number, since it is larger than the sum of its proper divisors (687626416).

731872016 is a wasteful number, since it uses less digits than its factorization.

731872016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48278 (or 48272 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 731872016 is about 27053.1332011654. The cubic root of 731872016 is about 901.1803508804.

The spelling of 731872016 in words is "seven hundred thirty-one million, eight hundred seventy-two thousand, sixteen".