29117712 has 40 divisors (see below), whose sum is σ = 81008704. Its totient is φ = 8959104.

The previous prime is 29117707. The next prime is 29117713. The reversal of 29117712 is 21771192.

It is a happy number.

It is a super-2 number, since 2×29117712² = 1695682304229888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29117712.

It is not an unprimeable number, because it can be changed into a prime (29117713) 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 7 ways as a sum of consecutive naturals, for example, 22708 + ... + 23955.

Almost surely, 2^29117712 is an apocalyptic number.

It is an amenable number.

29117712 is an abundant number, since it is smaller than the sum of its proper divisors (51890992).

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

29117712 is a wasteful number, since it uses less digits than its factorization.

29117712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46687 (or 46681 counting only the distinct ones).

The product of its digits is 1764, while the sum is 30.

The square root of 29117712 is about 5396.0830238239. The cubic root of 29117712 is about 307.6468094007.

The spelling of 29117712 in words is "twenty-nine million, one hundred seventeen thousand, seven hundred twelve".