29909470 has 16 divisors (see below), whose sum is σ = 54641808. Its totient is φ = 11784960.

The previous prime is 29909447. The next prime is 29909471. The reversal of 29909470 is 7490992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29909471) by changing a digit.

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, 21651 + ... + 22990.

It is an arithmetic number, because the mean of its divisors is an integer number (3415113).

Almost surely, 2^29909470 is an apocalyptic number.

29909470 is a deficient number, since it is larger than the sum of its proper divisors (24732338).

29909470 is a wasteful number, since it uses less digits than its factorization.

29909470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44715.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 29909470 is about 5468.9551104393. The cubic root of 29909470 is about 310.4103826083.

The spelling of 29909470 in words is "twenty-nine million, nine hundred nine thousand, four hundred seventy".