29742136742 has 16 divisors (see below), whose sum is σ = 46977097200. Its totient is φ = 14083632000.

The previous prime is 29742136733. The next prime is 29742136747. The reversal of 29742136742 is 24763124792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29742136747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16367 + ... + 244442.

It is an arithmetic number, because the mean of its divisors is an integer number (2936068575).

Almost surely, 2^29742136742 is an apocalyptic number.

29742136742 is a deficient number, since it is larger than the sum of its proper divisors (17234960458).

29742136742 is a wasteful number, since it uses less digits than its factorization.

29742136742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263831.

The product of its digits is 1016064, while the sum is 47.

The spelling of 29742136742 in words is "twenty-nine billion, seven hundred forty-two million, one hundred thirty-six thousand, seven hundred forty-two".