34400071 has 4 divisors (see below), whose sum is σ = 34432200. Its totient is φ = 34367944.

The previous prime is 34400063. The next prime is 34400083. The reversal of 34400071 is 17000443.

It is a happy number.

34400071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34400071 - 2³ = 34400063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34400771) 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 3 ways as a sum of consecutive naturals, for example, 14401 + ... + 16618.

It is an arithmetic number, because the mean of its divisors is an integer number (8608050).

Almost surely, 2^34400071 is an apocalyptic number.

34400071 is a deficient number, since it is larger than the sum of its proper divisors (32129).

34400071 is a wasteful number, since it uses less digits than its factorization.

34400071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32128.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 34400071 is about 5865.1573721427. The cubic root of 34400071 is about 325.2268900866.

The spelling of 34400071 in words is "thirty-four million, four hundred thousand, seventy-one".