34770428 has 48 divisors (see below), whose sum is σ = 76876800. Its totient is φ = 13366080.

The previous prime is 34770409. The next prime is 34770467. The reversal of 34770428 is 82407743.

34770428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23618 + ... + 25046.

It is an arithmetic number, because the mean of its divisors is an integer number (1601600).

Almost surely, 2^34770428 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 34770428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38438400).

34770428 is an abundant number, since it is smaller than the sum of its proper divisors (42106372).

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

34770428 is a wasteful number, since it uses less digits than its factorization.

34770428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 34770428 is about 5896.6454870545. The cubic root of 34770428 is about 326.3898756752.

The spelling of 34770428 in words is "thirty-four million, seven hundred seventy thousand, four hundred twenty-eight".