29470813 has 2 divisors, whose sum is σ = 29470814. Its totient is φ = 29470812.

The previous prime is 29470811. The next prime is 29470817. The reversal of 29470813 is 31807492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21279769 + 8191044 = 4613^2 + 2862^2 .

It is a cyclic number.

It is not a de Polignac number, because 29470813 - 2¹ = 29470811 is a prime.

Together with 29470811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29470811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14735406 + 14735407.

It is an arithmetic number, because the mean of its divisors is an integer number (14735407).

Almost surely, 2^29470813 is an apocalyptic number.

It is an amenable number.

29470813 is a deficient number, since it is larger than the sum of its proper divisors (1).

29470813 is an equidigital number, since it uses as much as digits as its factorization.

29470813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 29470813 is about 5428.7026995407. The cubic root of 29470813 is about 308.8853936934.

The spelling of 29470813 in words is "twenty-nine million, four hundred seventy thousand, eight hundred thirteen".