34780770 has 48 divisors (see below), whose sum is σ = 91720512. Its totient is φ = 9142560.

The previous prime is 34780769. The next prime is 34780783. The reversal of 34780770 is 7708743.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3669 + ... + 9111.

It is an arithmetic number, because the mean of its divisors is an integer number (1910844).

Almost surely, 2^34780770 is an apocalyptic number.

34780770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 34780770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45860256).

34780770 is an abundant number, since it is smaller than the sum of its proper divisors (56939742).

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

34780770 is a wasteful number, since it uses less digits than its factorization.

34780770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527 (or 5524 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 34780770 is about 5897.5223611276. The cubic root of 34780770 is about 326.4222325723.

The spelling of 34780770 in words is "thirty-four million, seven hundred eighty thousand, seven hundred seventy".