29421065 has 8 divisors (see below), whose sum is σ = 35334528. Its totient is φ = 23517360.

The previous prime is 29421053. The next prime is 29421079. The reversal of 29421065 is 56012492.

It is a happy number.

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

It is not a de Polignac number, because 29421065 - 2²⁰ = 28372489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9680 + ... + 12350.

It is an arithmetic number, because the mean of its divisors is an integer number (4416816).

Almost surely, 2^29421065 is an apocalyptic number.

It is an amenable number.

29421065 is a deficient number, since it is larger than the sum of its proper divisors (5913463).

29421065 is a wasteful number, since it uses less digits than its factorization.

29421065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 29421065 is about 5424.1188224448. The cubic root of 29421065 is about 308.7114918618.

The spelling of 29421065 in words is "twenty-nine million, four hundred twenty-one thousand, sixty-five".