34418780 has 48 divisors (see below), whose sum is σ = 79682400. Its totient is φ = 12384000.

The previous prime is 34418777. The next prime is 34418807. The reversal of 34418780 is 8781443.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 34418780.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21446 + ... + 22994.

It is an arithmetic number, because the mean of its divisors is an integer number (1660050).

Almost surely, 2^34418780 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 34418780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39841200).

34418780 is an abundant number, since it is smaller than the sum of its proper divisors (45263620).

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

34418780 is a wasteful number, since it uses less digits than its factorization.

34418780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 34418780 is about 5866.7520827115. The cubic root of 34418780 is about 325.2858392589.

It can be divided in two parts, 3441 and 8780, that added together give a palindrome (12221).

The spelling of 34418780 in words is "thirty-four million, four hundred eighteen thousand, seven hundred eighty".