29939473 has 2 divisors, whose sum is σ = 29939474. Its totient is φ = 29939472.

The previous prime is 29939467. The next prime is 29939479. The reversal of 29939473 is 37493992.

It is a balanced prime because it is at equal distance from previous prime (29939467) and next prime (29939479).

It can be written as a sum of positive squares in only one way, i.e., 23503104 + 6436369 = 4848^2 + 2537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29939473 is a prime.

It is not a weakly prime, because it can be changed into another prime (29939479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14969736 + 14969737.

It is an arithmetic number, because the mean of its divisors is an integer number (14969737).

Almost surely, 2^29939473 is an apocalyptic number.

It is an amenable number.

29939473 is a deficient number, since it is larger than the sum of its proper divisors (1).

29939473 is an equidigital number, since it uses as much as digits as its factorization.

29939473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 46.

The square root of 29939473 is about 5471.6974514313. The cubic root of 29939473 is about 310.5141416108.

The spelling of 29939473 in words is "twenty-nine million, nine hundred thirty-nine thousand, four hundred seventy-three".