731740669 has 8 divisors (see below), whose sum is σ = 799426080. Its totient is φ = 664249200.

The previous prime is 731740663. The next prime is 731740679. The reversal of 731740669 is 966047137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 731740669 - 2¹⁷ = 731609597 is a prime.

It is a super-2 number, since 2×731740669² = 1070888813337135122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731740663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40534 + ... + 55735.

It is an arithmetic number, because the mean of its divisors is an integer number (99928260).

Almost surely, 2^731740669 is an apocalyptic number.

It is an amenable number.

731740669 is a deficient number, since it is larger than the sum of its proper divisors (67685411).

731740669 is a wasteful number, since it uses less digits than its factorization.

731740669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96971.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 731740669 is about 27050.7055176016. The cubic root of 731740669 is about 901.1264368924.

The spelling of 731740669 in words is "seven hundred thirty-one million, seven hundred forty thousand, six hundred sixty-nine".