34187442 has 16 divisors (see below), whose sum is σ = 72397152. Its totient is φ = 10725440.

The previous prime is 34187437. The next prime is 34187443. The reversal of 34187442 is 24478143.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (34187443) 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, 167484 + ... + 167687.

It is an arithmetic number, because the mean of its divisors is an integer number (4524822).

Almost surely, 2^34187442 is an apocalyptic number.

34187442 is an abundant number, since it is smaller than the sum of its proper divisors (38209710).

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

34187442 is a wasteful number, since it uses less digits than its factorization.

34187442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335193.

The product of its digits is 21504, while the sum is 33.

The square root of 34187442 is about 5847.0028219593. The cubic root of 34187442 is about 324.5554221053. Note that the first 3 decimals are identical.

Subtracting from 34187442 its sum of digits (33), we obtain a square (34187409 = 5847²).

The spelling of 34187442 in words is "thirty-four million, one hundred eighty-seven thousand, four hundred forty-two".