34770378 has 32 divisors (see below), whose sum is σ = 71632512. Its totient is φ = 11244800.

The previous prime is 34770371. The next prime is 34770397. The reversal of 34770378 is 87307743.

It is not an unprimeable number, because it can be changed into a prime (34770371) 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, 68875 + ... + 69377.

It is an arithmetic number, because the mean of its divisors is an integer number (2238516).

Almost surely, 2^34770378 is an apocalyptic number.

34770378 is an abundant number, since it is smaller than the sum of its proper divisors (36862134).

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

34770378 is a wasteful number, since it uses less digits than its factorization.

34770378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 34770378 is about 5896.6412473543. The cubic root of 34770378 is about 326.3897192252.

The spelling of 34770378 in words is "thirty-four million, seven hundred seventy thousand, three hundred seventy-eight".