34478072342 has 16 divisors (see below), whose sum is σ = 61011889152. Its totient is φ = 14299661160.

The previous prime is 34478072327. The next prime is 34478072347. The reversal of 34478072342 is 24327087443.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 34478072293 and 34478072302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34478072347) 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, 39720848 + ... + 39721715.

It is an arithmetic number, because the mean of its divisors is an integer number (3813243072).

Almost surely, 2^34478072342 is an apocalyptic number.

34478072342 is a deficient number, since it is larger than the sum of its proper divisors (26533816810).

34478072342 is a wasteful number, since it uses less digits than its factorization.

34478072342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79442603.

The product of its (nonzero) digits is 903168, while the sum is 44.

The spelling of 34478072342 in words is "thirty-four billion, four hundred seventy-eight million, seventy-two thousand, three hundred forty-two".