29972799 has 6 divisors (see below), whose sum is σ = 43294056. Its totient is φ = 19981860.

The previous prime is 29972791. The next prime is 29972801. The reversal of 29972799 is 99727992.

It is not a de Polignac number, because 29972799 - 2³ = 29972791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29972791) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1665147 + ... + 1665164.

It is an arithmetic number, because the mean of its divisors is an integer number (7215676).

Almost surely, 2^29972799 is an apocalyptic number.

29972799 is a deficient number, since it is larger than the sum of its proper divisors (13321257).

29972799 is a wasteful number, since it uses less digits than its factorization.

29972799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330317 (or 3330314 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 54.

The square root of 29972799 is about 5474.7419117252. The cubic root of 29972799 is about 310.6293112743.

The spelling of 29972799 in words is "twenty-nine million, nine hundred seventy-two thousand, seven hundred ninety-nine".