34742447 has 4 divisors (see below), whose sum is σ = 35481696. Its totient is φ = 34003200.

The previous prime is 34742437. The next prime is 34742453. The reversal of 34742447 is 74424743.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34742447 - 2¹⁶ = 34676911 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 (34742437) 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, 369554 + ... + 369647.

It is an arithmetic number, because the mean of its divisors is an integer number (8870424).

Almost surely, 2^34742447 is an apocalyptic number.

34742447 is a deficient number, since it is larger than the sum of its proper divisors (739249).

34742447 is an equidigital number, since it uses as much as digits as its factorization.

34742447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739248.

The product of its digits is 75264, while the sum is 35.

The square root of 34742447 is about 5894.2723893624. The cubic root of 34742447 is about 326.3022996655.

The spelling of 34742447 in words is "thirty-four million, seven hundred forty-two thousand, four hundred forty-seven".