29264720 has 20 divisors (see below), whose sum is σ = 68040660. Its totient is φ = 11705856.

The previous prime is 29264699. The next prime is 29264723. The reversal of 29264720 is 2746292.

It can be written as a sum of positive squares in 2 ways, for example, as 9265936 + 19998784 = 3044^2 + 4472^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29264723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182825 + ... + 182984.

It is an arithmetic number, because the mean of its divisors is an integer number (3402033).

Almost surely, 2^29264720 is an apocalyptic number.

29264720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29264720 is an abundant number, since it is smaller than the sum of its proper divisors (38775940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29264720 is a wasteful number, since it uses less digits than its factorization.

29264720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365822 (or 365816 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 29264720 is about 5409.6876065074. The cubic root of 29264720 is about 308.1636842894.

The spelling of 29264720 in words is "twenty-nine million, two hundred sixty-four thousand, seven hundred twenty".