29925880 has 32 divisors (see below), whose sum is σ = 67703040. Its totient is φ = 11904640.

The previous prime is 29925853. The next prime is 29925913. The reversal of 29925880 is 8852992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5682 + ... + 9598.

It is an arithmetic number, because the mean of its divisors is an integer number (2115720).

Almost surely, 2^29925880 is an apocalyptic number.

29925880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29925880 is an abundant number, since it is smaller than the sum of its proper divisors (37777160).

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

29925880 is a wasteful number, since it uses less digits than its factorization.

29925880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119 (or 4115 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 29925880 is about 5470.4551912981. The cubic root of 29925880 is about 310.4671417003.

The spelling of 29925880 in words is "twenty-nine million, nine hundred twenty-five thousand, eight hundred eighty".