34731721434 has 16 divisors (see below), whose sum is σ = 70500211488. Its totient is φ = 11404445712.

The previous prime is 34731721433. The next prime is 34731721457. The reversal of 34731721434 is 43412713743.

It is a junction number, because it is equal to n+sod(n) for n = 34731721392 and 34731721401.

It is not an unprimeable number, because it can be changed into a prime (34731721433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43198257 + ... + 43199060.

It is an arithmetic number, because the mean of its divisors is an integer number (4406263218).

Almost surely, 2^34731721434 is an apocalyptic number.

34731721434 is an abundant number, since it is smaller than the sum of its proper divisors (35768490054).

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

34731721434 is a wasteful number, since it uses less digits than its factorization.

34731721434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86397389.

The product of its digits is 169344, while the sum is 39.

The spelling of 34731721434 in words is "thirty-four billion, seven hundred thirty-one million, seven hundred twenty-one thousand, four hundred thirty-four".