34742531 has 2 divisors, whose sum is σ = 34742532. Its totient is φ = 34742530.

The previous prime is 34742527. The next prime is 34742549. The reversal of 34742531 is 13524743.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (13524743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34742531 - 2² = 34742527 is a prime.

It is a super-2 number, since 2×34742531² = 2414086920571922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 34742494 and 34742503.

It is not a weakly prime, because it can be changed into another prime (34742831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17371265 + 17371266.

It is an arithmetic number, because the mean of its divisors is an integer number (17371266).

Almost surely, 2^34742531 is an apocalyptic number.

34742531 is a deficient number, since it is larger than the sum of its proper divisors (1).

34742531 is an equidigital number, since it uses as much as digits as its factorization.

34742531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 34742531 is about 5894.2795149195. The cubic root of 34742531 is about 326.3025626423.

The spelling of 34742531 in words is "thirty-four million, seven hundred forty-two thousand, five hundred thirty-one".