29439070 has 32 divisors (see below), whose sum is σ = 56515968. Its totient is φ = 11002368.

The previous prime is 29439049. The next prime is 29439071. The reversal of 29439070 is 7093492.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29439071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26139 + ... + 27241.

It is an arithmetic number, because the mean of its divisors is an integer number (1766124).

Almost surely, 2^29439070 is an apocalyptic number.

29439070 is a deficient number, since it is larger than the sum of its proper divisors (27076898).

29439070 is a wasteful number, since it uses less digits than its factorization.

29439070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 29439070 is about 5425.7782851864. The cubic root of 29439070 is about 308.7744537446.

The spelling of 29439070 in words is "twenty-nine million, four hundred thirty-nine thousand, seventy".