29955772 has 24 divisors (see below), whose sum is σ = 65358720. Its totient is φ = 11670960.

The previous prime is 29955763. The next prime is 29955787. The reversal of 29955772 is 27755992.

It is a super-2 number, since 2×29955772² = 1794696552231968, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 48322 + ... + 48937.

It is an arithmetic number, because the mean of its divisors is an integer number (2723280).

Almost surely, 2^29955772 is an apocalyptic number.

29955772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29955772 is an abundant number, since it is smaller than the sum of its proper divisors (35402948).

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

29955772 is a wasteful number, since it uses less digits than its factorization.

29955772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97281 (or 97279 counting only the distinct ones).

The product of its digits is 396900, while the sum is 46.

The square root of 29955772 is about 5473.1866403403. The cubic root of 29955772 is about 310.5704791852.

The spelling of 29955772 in words is "twenty-nine million, nine hundred fifty-five thousand, seven hundred seventy-two".