34545678 has 32 divisors (see below), whose sum is σ = 72562176. Its totient is φ = 10943328.

The previous prime is 34545653. The next prime is 34545691. The reversal of 34545678 is 87654543.

34545678 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23151 + ... + 24597.

It is an arithmetic number, because the mean of its divisors is an integer number (2267568).

Almost surely, 2^34545678 is an apocalyptic number.

34545678 is an abundant number, since it is smaller than the sum of its proper divisors (38016498).

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

34545678 is a wasteful number, since it uses less digits than its factorization.

34545678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648.

The product of its digits is 403200, while the sum is 42.

The square root of 34545678 is about 5877.5571456176. The cubic root of 34545678 is about 325.6851125324.

The spelling of 34545678 in words is "thirty-four million, five hundred forty-five thousand, six hundred seventy-eight".