34742389 has 8 divisors (see below), whose sum is σ = 38358432. Its totient is φ = 31202640.

The previous prime is 34742387. The next prime is 34742437. The reversal of 34742389 is 98324743.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34742389 - 2¹ = 34742387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34742387) 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, 18114 + ... + 19939.

It is an arithmetic number, because the mean of its divisors is an integer number (4794804).

Almost surely, 2^34742389 is an apocalyptic number.

It is an amenable number.

34742389 is a deficient number, since it is larger than the sum of its proper divisors (3616043).

34742389 is a wasteful number, since it uses less digits than its factorization.

34742389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38147.

The product of its digits is 145152, while the sum is 40.

The square root of 34742389 is about 5894.2674693298. The cubic root of 34742389 is about 326.3021180861.

The spelling of 34742389 in words is "thirty-four million, seven hundred forty-two thousand, three hundred eighty-nine".