29640052 has 12 divisors (see below), whose sum is σ = 55860196. Its totient is φ = 13680000.

The previous prime is 29640049. The next prime is 29640053. The reversal of 29640052 is 25004692.

It can be written as a sum of positive squares in 2 ways, for example, as 4177936 + 25462116 = 2044^2 + 5046^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29640052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29640053) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 284949 + ... + 285052.

Almost surely, 2^29640052 is an apocalyptic number.

It is an amenable number.

29640052 is a deficient number, since it is larger than the sum of its proper divisors (26220144).

29640052 is a wasteful number, since it uses less digits than its factorization.

29640052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570018 (or 570016 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 29640052 is about 5444.2678111937. The cubic root of 29640052 is about 309.4755335893.

The spelling of 29640052 in words is "twenty-nine million, six hundred forty thousand, fifty-two".