29020073 has 4 divisors (see below), whose sum is σ = 29036628. Its totient is φ = 29003520.

The previous prime is 29020067. The next prime is 29020109. The reversal of 29020073 is 37002092.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23785129 + 5234944 = 4877^2 + 2288^2 .

It is a cyclic number.

It is not a de Polignac number, because 29020073 - 2¹⁸ = 28757929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29022073) 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, 5288 + ... + 9273.

It is an arithmetic number, because the mean of its divisors is an integer number (7259157).

Almost surely, 2^29020073 is an apocalyptic number.

It is an amenable number.

29020073 is a deficient number, since it is larger than the sum of its proper divisors (16555).

29020073 is a wasteful number, since it uses less digits than its factorization.

29020073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16554.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 29020073 is about 5387.0282160018. The cubic root of 29020073 is about 307.3025519849.

The spelling of 29020073 in words is "twenty-nine million, twenty thousand, seventy-three".