29421475 has 24 divisors (see below), whose sum is σ = 39693888. Its totient is φ = 21542400.

The previous prime is 29421473. The next prime is 29421479. The reversal of 29421475 is 57412492.

It is not a de Polignac number, because 29421475 - 2¹ = 29421473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29421475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29421473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14790 + ... + 16660.

It is an arithmetic number, because the mean of its divisors is an integer number (1653912).

Almost surely, 2^29421475 is an apocalyptic number.

29421475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29421475 is a deficient number, since it is larger than the sum of its proper divisors (10272413).

29421475 is a wasteful number, since it uses less digits than its factorization.

29421475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935 (or 1930 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 29421475 is about 5424.1566164704. The cubic root of 29421475 is about 308.7129258811.

The spelling of 29421475 in words is "twenty-nine million, four hundred twenty-one thousand, four hundred seventy-five".