29138473 has 12 divisors (see below), whose sum is σ = 36061248. Its totient is φ = 23053680.

The previous prime is 29138453. The next prime is 29138479. The reversal of 29138473 is 37483192.

It is not a de Polignac number, because 29138473 - 2⁵ = 29138441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29138479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11133 + ... + 13498.

It is an arithmetic number, because the mean of its divisors is an integer number (3005104).

Almost surely, 2^29138473 is an apocalyptic number.

It is an amenable number.

29138473 is a deficient number, since it is larger than the sum of its proper divisors (6922775).

29138473 is a wasteful number, since it uses less digits than its factorization.

29138473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24664 (or 24651 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 29138473 is about 5398.0063912522. The cubic root of 29138473 is about 307.7199096729.

The spelling of 29138473 in words is "twenty-nine million, one hundred thirty-eight thousand, four hundred seventy-three".