29717968 has 20 divisors (see below), whose sum is σ = 65804320. Its totient is φ = 12736224.

The previous prime is 29717939. The next prime is 29717981. The reversal of 29717968 is 86971792.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 132558 + ... + 132781.

It is an arithmetic number, because the mean of its divisors is an integer number (3290216).

Almost surely, 2^29717968 is an apocalyptic number.

29717968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29717968 is an abundant number, since it is smaller than the sum of its proper divisors (36086352).

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

29717968 is a wasteful number, since it uses less digits than its factorization.

29717968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265354 (or 265348 counting only the distinct ones).

The product of its digits is 381024, while the sum is 49.

The square root of 29717968 is about 5451.4188978650. The cubic root of 29717968 is about 309.7464732563.

The spelling of 29717968 in words is "twenty-nine million, seven hundred seventeen thousand, nine hundred sixty-eight".