34142747 has 6 divisors (see below), whose sum is σ = 34494444. Its totient is φ = 33794600.

The previous prime is 34142699. The next prime is 34142767. The reversal of 34142747 is 74724143.

It is a de Polignac number, because none of the positive numbers 2^k-34142747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34142767) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8528 + ... + 11874.

It is an arithmetic number, because the mean of its divisors is an integer number (5749074).

Almost surely, 2^34142747 is an apocalyptic number.

34142747 is a deficient number, since it is larger than the sum of its proper divisors (351697).

34142747 is an equidigital number, since it uses as much as digits as its factorization.

34142747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549 (or 3448 counting only the distinct ones).

The product of its digits is 18816, while the sum is 32.

The square root of 34142747 is about 5843.1795283048. The cubic root of 34142747 is about 324.4139244303.

The spelling of 34142747 in words is "thirty-four million, one hundred forty-two thousand, seven hundred forty-seven".