34788427 has 4 divisors (see below), whose sum is σ = 34965216. Its totient is φ = 34611640.

The previous prime is 34788407. The next prime is 34788433. The reversal of 34788427 is 72488743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72488743 = 19 ⋅3815197.

It is a cyclic number.

It is not a de Polignac number, because 34788427 - 2²³ = 26399819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34788407) 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 3 ways as a sum of consecutive naturals, for example, 88099 + ... + 88492.

It is an arithmetic number, because the mean of its divisors is an integer number (8741304).

Almost surely, 2^34788427 is an apocalyptic number.

34788427 is a deficient number, since it is larger than the sum of its proper divisors (176789).

34788427 is a wasteful number, since it uses less digits than its factorization.

34788427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176788.

The product of its digits is 301056, while the sum is 43.

The square root of 34788427 is about 5898.1714963199. The cubic root of 34788427 is about 326.4461848083.

The spelling of 34788427 in words is "thirty-four million, seven hundred eighty-eight thousand, four hundred twenty-seven".