731740616 has 64 divisors (see below), whose sum is σ = 1509580800. Its totient is φ = 331214400.

The previous prime is 731740613. The next prime is 731740643. The reversal of 731740616 is 616047137.

It is not an unprimeable number, because it can be changed into a prime (731740613) 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 15 ways as a sum of consecutive naturals, for example, 390161 + ... + 392031.

It is an arithmetic number, because the mean of its divisors is an integer number (23587200).

Almost surely, 2^731740616 is an apocalyptic number.

731740616 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

731740616 is an abundant number, since it is smaller than the sum of its proper divisors (777840184).

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

731740616 is a wasteful number, since it uses less digits than its factorization.

731740616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 731740616 is about 27050.7045379598. The cubic root of 731740616 is about 901.1264151362.

The spelling of 731740616 in words is "seven hundred thirty-one million, seven hundred forty thousand, six hundred sixteen".