29474987 has 2 divisors, whose sum is σ = 29474988. Its totient is φ = 29474986.

The previous prime is 29474959. The next prime is 29474989. The reversal of 29474987 is 78947492.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29474987 is a prime.

Together with 29474989, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (29474989) 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 as a sum of consecutive naturals, namely, 14737493 + 14737494.

It is an arithmetic number, because the mean of its divisors is an integer number (14737494).

Almost surely, 2^29474987 is an apocalyptic number.

29474987 is a deficient number, since it is larger than the sum of its proper divisors (1).

29474987 is an equidigital number, since it uses as much as digits as its factorization.

29474987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 29474987 is about 5429.0871240016. The cubic root of 29474987 is about 308.8999756548.

The spelling of 29474987 in words is "twenty-nine million, four hundred seventy-four thousand, nine hundred eighty-seven".