34138072 has 16 divisors (see below), whose sum is σ = 66792240. Its totient is φ = 16326816.

The previous prime is 34138063. The next prime is 34138073. The reversal of 34138072 is 27083143.

It is a self number, because there is not a number n which added to its sum of digits gives 34138072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34138073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92583 + ... + 92950.

It is an arithmetic number, because the mean of its divisors is an integer number (4174515).

Almost surely, 2^34138072 is an apocalyptic number.

It is an amenable number.

34138072 is a deficient number, since it is larger than the sum of its proper divisors (32654168).

34138072 is a wasteful number, since it uses less digits than its factorization.

34138072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185562 (or 185558 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 34138072 is about 5842.7794755578. The cubic root of 34138072 is about 324.3991169484.

The spelling of 34138072 in words is "thirty-four million, one hundred thirty-eight thousand, seventy-two".