29471930 has 16 divisors (see below), whose sum is σ = 53173800. Its totient is φ = 11761152.

The previous prime is 29471927. The next prime is 29471941. The reversal of 29471930 is 3917492.

It can be written as a sum of positive squares in 4 ways, for example, as 29408929 + 63001 = 5423^2 + 251^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346 + ... + 7794.

Almost surely, 2^29471930 is an apocalyptic number.

29471930 is a deficient number, since it is larger than the sum of its proper divisors (23701870).

29471930 is a wasteful number, since it uses less digits than its factorization.

29471930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 29471930 is about 5428.8055776570. The cubic root of 29471930 is about 308.8892960926.

The spelling of 29471930 in words is "twenty-nine million, four hundred seventy-one thousand, nine hundred thirty".