29963172 has 24 divisors (see below), whose sum is σ = 70233856. Its totient is φ = 9942048.

The previous prime is 29963161. The next prime is 29963173. The reversal of 29963172 is 27136992.

It is a self number, because there is not a number n which added to its sum of digits gives 29963172.

It is not an unprimeable number, because it can be changed into a prime (29963173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2923 + ... + 8274.

Almost surely, 2^29963172 is an apocalyptic number.

It is an amenable number.

29963172 is an abundant number, since it is smaller than the sum of its proper divisors (40270684).

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

29963172 is a wasteful number, since it uses less digits than its factorization.

29963172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11427 (or 11425 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 29963172 is about 5473.8626215863. The cubic root of 29963172 is about 310.5960505768.

It can be divided in two parts, 29963 and 172, that added together give a triangular number (30135 = T₂₄₅).

The spelling of 29963172 in words is "twenty-nine million, nine hundred sixty-three thousand, one hundred seventy-two".