29275680 has 96 divisors (see below), whose sum is σ = 105404544. Its totient is φ = 6690816.

The previous prime is 29275661. The next prime is 29275691. The reversal of 29275680 is 8657292.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 997 + ... + 7716.

It is an arithmetic number, because the mean of its divisors is an integer number (1097964).

Almost surely, 2^29275680 is an apocalyptic number.

29275680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29275680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52702272).

29275680 is an abundant number, since it is smaller than the sum of its proper divisors (76128864).

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

29275680 is a wasteful number, since it uses less digits than its factorization.

29275680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8738 (or 8730 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 29275680 is about 5410.7005091762. The cubic root of 29275680 is about 308.2021498597.

The spelling of 29275680 in words is "twenty-nine million, two hundred seventy-five thousand, six hundred eighty".