29720193 has 4 divisors (see below), whose sum is σ = 39626928. Its totient is φ = 19813460.

The previous prime is 29720191. The next prime is 29720219. The reversal of 29720193 is 39102792.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29720193 - 2¹ = 29720191 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29720191) 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 3 ways as a sum of consecutive naturals, for example, 4953363 + ... + 4953368.

It is an arithmetic number, because the mean of its divisors is an integer number (9906732).

Almost surely, 2^29720193 is an apocalyptic number.

It is an amenable number.

29720193 is a deficient number, since it is larger than the sum of its proper divisors (9906735).

29720193 is an equidigital number, since it uses as much as digits as its factorization.

29720193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9906734.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 29720193 is about 5451.6229693551. The cubic root of 29720193 is about 309.7542033575.

The spelling of 29720193 in words is "twenty-nine million, seven hundred twenty thousand, one hundred ninety-three".