29742488 has 8 divisors (see below), whose sum is σ = 55767180. Its totient is φ = 14871240.

The previous prime is 29742481. The next prime is 29742491. The reversal of 29742488 is 88424792.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29742481) 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 as a sum of consecutive naturals, namely, 1858898 + ... + 1858913.

Almost surely, 2^29742488 is an apocalyptic number.

It is an amenable number.

29742488 is a deficient number, since it is larger than the sum of its proper divisors (26024692).

29742488 is a wasteful number, since it uses less digits than its factorization.

29742488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717817 (or 3717813 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 29742488 is about 5453.6673899313. The cubic root of 29742488 is about 309.8316394161.

The spelling of 29742488 in words is "twenty-nine million, seven hundred forty-two thousand, four hundred eighty-eight".