29980073 has 4 divisors (see below), whose sum is σ = 30677328. Its totient is φ = 29282820.

The previous prime is 29980057. The next prime is 29980103. The reversal of 29980073 is 37008992.

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 29980073 - 2⁴ = 29980057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29980003) 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, 348563 + ... + 348648.

It is an arithmetic number, because the mean of its divisors is an integer number (7669332).

Almost surely, 2^29980073 is an apocalyptic number.

It is an amenable number.

29980073 is a deficient number, since it is larger than the sum of its proper divisors (697255).

29980073 is an equidigital number, since it uses as much as digits as its factorization.

29980073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697254.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 29980073 is about 5475.4061949777. The cubic root of 29980073 is about 310.6544377771.

The spelling of 29980073 in words is "twenty-nine million, nine hundred eighty thousand, seventy-three".