29534540 has 24 divisors (see below), whose sum is σ = 70883232. Its totient is φ = 10126080.

The previous prime is 29534501. The next prime is 29534567. The reversal of 29534540 is 4543592.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 29534497 and 29534506.

It is an unprimeable number.

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, 105341 + ... + 105620.

It is an arithmetic number, because the mean of its divisors is an integer number (2953468).

Almost surely, 2^29534540 is an apocalyptic number.

29534540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29534540 is an abundant number, since it is smaller than the sum of its proper divisors (41348692).

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

29534540 is a wasteful number, since it uses less digits than its factorization.

29534540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210977 (or 210975 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 29534540 is about 5434.5689801492. The cubic root of 29534540 is about 309.1078756022.

The spelling of 29534540 in words is "twenty-nine million, five hundred thirty-four thousand, five hundred forty".