34073780 has 72 divisors (see below), whose sum is σ = 82178712. Its totient is φ = 11821056.

The previous prime is 34073777. The next prime is 34073789. The reversal of 34073780 is 8737043.

34073780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 12432676 + 21641104 = 3526^2 + 4652^2 .

It is a super-2 number, since 2×34073780² = 2322044966976800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34073789) 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 23 ways as a sum of consecutive naturals, for example, 57164 + ... + 57756.

It is an arithmetic number, because the mean of its divisors is an integer number (1141371).

Almost surely, 2^34073780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34073780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41089356).

34073780 is an abundant number, since it is smaller than the sum of its proper divisors (48104932).

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

34073780 is a wasteful number, since it uses less digits than its factorization.

34073780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 34073780 is about 5837.2750491989. The cubic root of 34073780 is about 324.1953427520.

The spelling of 34073780 in words is "thirty-four million, seventy-three thousand, seven hundred eighty".