34078842 has 48 divisors (see below), whose sum is σ = 84756672. Its totient is φ = 9694080.

The previous prime is 34078823. The next prime is 34078843. The reversal of 34078842 is 24887043.

It is a super-2 number, since 2×34078842² = 2322734944121928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34078797 and 34078806.

It is not an unprimeable number, because it can be changed into a prime (34078843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38242 + ... + 39122.

It is an arithmetic number, because the mean of its divisors is an integer number (1765764).

Almost surely, 2^34078842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34078842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42378336).

34078842 is an abundant number, since it is smaller than the sum of its proper divisors (50677830).

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

34078842 is a wasteful number, since it uses less digits than its factorization.

34078842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 34078842 is about 5837.7086258223. The cubic root of 34078842 is about 324.2113961080.

The spelling of 34078842 in words is "thirty-four million, seventy-eight thousand, eight hundred forty-two".