34878530 has 16 divisors (see below), whose sum is σ = 63147384. Its totient is φ = 13870080.

The previous prime is 34878527. The next prime is 34878539. The reversal of 34878530 is 3587843.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34140649 + 737881 = 5843^2 + 859^2 .

It is not an unprimeable number, because it can be changed into a prime (34878539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8351 + ... + 11810.

Almost surely, 2^34878530 is an apocalyptic number.

34878530 is a deficient number, since it is larger than the sum of its proper divisors (28268854).

34878530 is a wasteful number, since it uses less digits than its factorization.

34878530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20341.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 34878530 is about 5905.8047715786. The cubic root of 34878530 is about 326.7277767574.

The spelling of 34878530 in words is "thirty-four million, eight hundred seventy-eight thousand, five hundred thirty".