34401731 has 8 divisors (see below), whose sum is σ = 42340704. Its totient is φ = 27218880.

The previous prime is 34401713. The next prime is 34401733. The reversal of 34401731 is 13710443.

34401731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-34401731 is a prime.

It is a super-2 number, since 2×34401731² = 2366958191592722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34401697 and 34401706.

It is not an unprimeable number, because it can be changed into a prime (34401733) 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, 188930 + ... + 189111.

It is an arithmetic number, because the mean of its divisors is an integer number (5292588).

Almost surely, 2^34401731 is an apocalyptic number.

34401731 is a deficient number, since it is larger than the sum of its proper divisors (7938973).

34401731 is a wasteful number, since it uses less digits than its factorization.

34401731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378061.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 34401731 is about 5865.2988841149. The cubic root of 34401731 is about 325.2321213544.

The spelling of 34401731 in words is "thirty-four million, four hundred one thousand, seven hundred thirty-one".