29725572 has 12 divisors (see below), whose sum is σ = 69359696. Its totient is φ = 9908520.

The previous prime is 29725561. The next prime is 29725607. The reversal of 29725572 is 27552792.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 29725572.

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 3 ways as a sum of consecutive naturals, for example, 1238554 + ... + 1238577.

Almost surely, 2^29725572 is an apocalyptic number.

It is an amenable number.

29725572 is an abundant number, since it is smaller than the sum of its proper divisors (39634124).

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

29725572 is a wasteful number, since it uses less digits than its factorization.

29725572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477138 (or 2477136 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 29725572 is about 5452.1162863607. The cubic root of 29725572 is about 309.7728895008.

The spelling of 29725572 in words is "twenty-nine million, seven hundred twenty-five thousand, five hundred seventy-two".