34742831 has 2 divisors, whose sum is σ = 34742832. Its totient is φ = 34742830.

The previous prime is 34742819. The next prime is 34742833. The reversal of 34742831 is 13824743.

It is a strong prime.

It is an emirp because it is prime and its reverse (13824743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34742831 - 2⁶ = 34742767 is a prime.

It is a super-2 number, since 2×34742831² = 2414128611789122, which contains 22 as substring.

Together with 34742833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34742833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17371415 + 17371416.

It is an arithmetic number, because the mean of its divisors is an integer number (17371416).

Almost surely, 2^34742831 is an apocalyptic number.

34742831 is a deficient number, since it is larger than the sum of its proper divisors (1).

34742831 is an equidigital number, since it uses as much as digits as its factorization.

34742831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 34742831 is about 5894.3049632675. The cubic root of 34742831 is about 326.3035018417.

The spelling of 34742831 in words is "thirty-four million, seven hundred forty-two thousand, eight hundred thirty-one".