29789425 has 6 divisors (see below), whose sum is σ = 36938918. Its totient is φ = 23831520.

The previous prime is 29789413. The next prime is 29789443. The reversal of 29789425 is 52498792.

It can be written as a sum of positive squares in 3 ways, for example, as 9790641 + 19998784 = 3129^2 + 4472^2 .

It is not a de Polignac number, because 29789425 - 2⁷ = 29789297 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 595764 + ... + 595813.

Almost surely, 2^29789425 is an apocalyptic number.

29789425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29789425 is a deficient number, since it is larger than the sum of its proper divisors (7149493).

29789425 is a wasteful number, since it uses less digits than its factorization.

29789425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191587 (or 1191582 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 29789425 is about 5457.9689445800. The cubic root of 29789425 is about 309.9945368444.

It can be divided in two parts, 2978 and 9425, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 29789425 in words is "twenty-nine million, seven hundred eighty-nine thousand, four hundred twenty-five".