29980079 has 4 divisors (see below), whose sum is σ = 30076176. Its totient is φ = 29883984.

The previous prime is 29980057. The next prime is 29980103. The reversal of 29980079 is 97008992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29980079 - 2¹² = 29975983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29982079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47579 + ... + 48204.

It is an arithmetic number, because the mean of its divisors is an integer number (7519044).

Almost surely, 2^29980079 is an apocalyptic number.

29980079 is a deficient number, since it is larger than the sum of its proper divisors (96097).

29980079 is an equidigital number, since it uses as much as digits as its factorization.

29980079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96096.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 29980079 is about 5475.4067428822. The cubic root of 29980079 is about 310.6544585011.

The spelling of 29980079 in words is "twenty-nine million, nine hundred eighty thousand, seventy-nine".