34780912 has 40 divisors (see below), whose sum is σ = 72397152. Its totient is φ = 16128000.

The previous prime is 34780891. The next prime is 34780927. The reversal of 34780912 is 21908743.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18412 + ... + 20212.

Almost surely, 2^34780912 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 34780912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36198576).

34780912 is an abundant number, since it is smaller than the sum of its proper divisors (37616240).

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

34780912 is a wasteful number, since it uses less digits than its factorization.

34780912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 34780912 is about 5897.5344000692. The cubic root of 34780912 is about 326.4226768014.

The spelling of 34780912 in words is "thirty-four million, seven hundred eighty thousand, nine hundred twelve".