734323981 has 8 divisors (see below), whose sum is σ = 754266744. Its totient is φ = 714478080.

The previous prime is 734323969. The next prime is 734323999. The reversal of 734323981 is 189323437.

734323981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1755625 + 732568356 = 1325^2 + 27066^2 .

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 734323981 - 2⁵ = 734323949 is a prime.

It is a super-2 number, since 2×734323981² = 1078463418143376722, 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 (734323901) 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, 8716 + ... + 39301.

It is an arithmetic number, because the mean of its divisors is an integer number (94283343).

Almost surely, 2^734323981 is an apocalyptic number.

It is an amenable number.

734323981 is a deficient number, since it is larger than the sum of its proper divisors (19942763).

734323981 is a wasteful number, since it uses less digits than its factorization.

734323981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48431.

The product of its digits is 108864, while the sum is 40.

The square root of 734323981 is about 27098.4128871047. The cubic root of 734323981 is about 902.1856266490.

The spelling of 734323981 in words is "seven hundred thirty-four million, three hundred twenty-three thousand, nine hundred eighty-one".