34972429 has 4 divisors (see below), whose sum is σ = 35084476. Its totient is φ = 34860384.

The previous prime is 34972423. The next prime is 34972453. The reversal of 34972429 is 92427943.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8398404 + 26574025 = 2898^2 + 5155^2 .

It is a cyclic number.

It is not a de Polignac number, because 34972429 - 2¹⁵ = 34939661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34972391 and 34972400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34972423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55554 + ... + 56179.

It is an arithmetic number, because the mean of its divisors is an integer number (8771119).

Almost surely, 2^34972429 is an apocalyptic number.

It is an amenable number.

34972429 is a deficient number, since it is larger than the sum of its proper divisors (112047).

34972429 is a wasteful number, since it uses less digits than its factorization.

34972429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112046.

The product of its digits is 108864, while the sum is 40.

The square root of 34972429 is about 5913.7491492284. The cubic root of 34972429 is about 327.0207164847.

The spelling of 34972429 in words is "thirty-four million, nine hundred seventy-two thousand, four hundred twenty-nine".