34378812 has 36 divisors (see below), whose sum is σ = 93588040. Its totient is φ = 10577952.

The previous prime is 34378763. The next prime is 34378823. The reversal of 34378812 is 21887343.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36262 + ... + 37197.

Almost surely, 2^34378812 is an apocalyptic number.

It is an amenable number.

34378812 is an abundant number, since it is smaller than the sum of its proper divisors (59209228).

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

34378812 is a wasteful number, since it uses less digits than its factorization.

34378812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73482 (or 73477 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 34378812 is about 5863.3447792195. The cubic root of 34378812 is about 325.1598803100.

The spelling of 34378812 in words is "thirty-four million, three hundred seventy-eight thousand, eight hundred twelve".