29972793 has 8 divisors (see below), whose sum is σ = 40814208. Its totient is φ = 19556624.

The previous prime is 29972791. The next prime is 29972801. The reversal of 29972793 is 39727992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29972793 - 2¹ = 29972791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29972791) 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, 106146 + ... + 106427.

It is an arithmetic number, because the mean of its divisors is an integer number (5101776).

Almost surely, 2^29972793 is an apocalyptic number.

It is an amenable number.

29972793 is a deficient number, since it is larger than the sum of its proper divisors (10841415).

29972793 is a wasteful number, since it uses less digits than its factorization.

29972793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212623.

The product of its digits is 428652, while the sum is 48.

The square root of 29972793 is about 5474.7413637541. The cubic root of 29972793 is about 310.6292905469.

The spelling of 29972793 in words is "twenty-nine million, nine hundred seventy-two thousand, seven hundred ninety-three".