29143972 has 24 divisors (see below), whose sum is σ = 59919552. Its totient is φ = 12228000.

The previous prime is 29143957. The next prime is 29143987. The reversal of 29143972 is 27934192.

It is an interprime number because it is at equal distance from previous prime (29143957) and next prime (29143987).

It is a super-2 number, since 2×29143972² = 1698742207873568, which contains 22 as substring.

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, 24904 + ... + 26047.

It is an arithmetic number, because the mean of its divisors is an integer number (2496648).

Almost surely, 2^29143972 is an apocalyptic number.

29143972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29143972 is an abundant number, since it is smaller than the sum of its proper divisors (30775580).

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

29143972 is a wasteful number, since it uses less digits than its factorization.

29143972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50979 (or 50977 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 29143972 is about 5398.5157219369. The cubic root of 29143972 is about 307.7392660446.

It can be divided in two parts, 2914 and 3972, that added together give a palindrome (6886).

The spelling of 29143972 in words is "twenty-nine million, one hundred forty-three thousand, nine hundred seventy-two".