34729467781 has 8 divisors (see below), whose sum is σ = 35486148600. Its totient is φ = 33976542912.

The previous prime is 34729467769. The next prime is 34729467791. The reversal of 34729467781 is 18776492743.

It can be written as a sum of positive squares in 4 ways, for example, as 14177664900 + 20551802881 = 119070^2 + 143359^2 .

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 34729467781 - 2¹⁷ = 34729336709 is a prime.

It is a super-2 number, since 2×34729467781² (a number of 22 digits) 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 (34729467701) 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, 920290 + ... + 957283.

It is an arithmetic number, because the mean of its divisors is an integer number (4435768575).

Almost surely, 2^34729467781 is an apocalyptic number.

It is an amenable number.

34729467781 is a deficient number, since it is larger than the sum of its proper divisors (756680819).

34729467781 is a wasteful number, since it uses less digits than its factorization.

34729467781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877975.

The product of its digits is 14224896, while the sum is 58.

The spelling of 34729467781 in words is "thirty-four billion, seven hundred twenty-nine million, four hundred sixty-seven thousand, seven hundred eighty-one".