29628479 has 2 divisors, whose sum is σ = 29628480. Its totient is φ = 29628478.

The previous prime is 29628457. The next prime is 29628481. The reversal of 29628479 is 97482692.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29628479 is a prime.

It is a Sophie Germain prime.

Together with 29628481, 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 (29621479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14814239 + 14814240.

It is an arithmetic number, because the mean of its divisors is an integer number (14814240).

Almost surely, 2^29628479 is an apocalyptic number.

29628479 is a deficient number, since it is larger than the sum of its proper divisors (1).

29628479 is an equidigital number, since it uses as much as digits as its factorization.

29628479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The square root of 29628479 is about 5443.2048464117. The cubic root of 29628479 is about 309.4352499601.

The spelling of 29628479 in words is "twenty-nine million, six hundred twenty-eight thousand, four hundred seventy-nine".