29906625 has 32 divisors (see below), whose sum is σ = 56878848. Its totient is φ = 13670400.

The previous prime is 29906609. The next prime is 29906641. The reversal of 29906625 is 52660992.

It is an interprime number because it is at equal distance from previous prime (29906609) and next prime (29906641).

It is not a de Polignac number, because 29906625 - 2⁴ = 29906609 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3072 + ... + 8321.

It is an arithmetic number, because the mean of its divisors is an integer number (1777464).

Almost surely, 2^29906625 is an apocalyptic number.

29906625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29906625 is a deficient number, since it is larger than the sum of its proper divisors (26972223).

29906625 is a wasteful number, since it uses less digits than its factorization.

29906625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11418 (or 11408 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 29906625 is about 5468.6949997234. The cubic root of 29906625 is about 310.4005401789.

The spelling of 29906625 in words is "twenty-nine million, nine hundred six thousand, six hundred twenty-five".