34457780 has 48 divisors (see below), whose sum is σ = 84403200. Its totient is φ = 11811744.

The previous prime is 34457701. The next prime is 34457783. The reversal of 34457780 is 8775443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34457783) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4349 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (1758400).

Almost surely, 2^34457780 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 34457780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42201600).

34457780 is an abundant number, since it is smaller than the sum of its proper divisors (49945420).

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

34457780 is a wasteful number, since it uses less digits than its factorization.

34457780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053 (or 5037 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 34457780 is about 5870.0749569320. The cubic root of 34457780 is about 325.4086535982.

The spelling of 34457780 in words is "thirty-four million, four hundred fifty-seven thousand, seven hundred eighty".