29011972 has 24 divisors (see below), whose sum is σ = 56568960. Its totient is φ = 12905760.

The previous prime is 29011963. The next prime is 29011973. The reversal of 29011972 is 27911092.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (29011973) 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, 4947 + ... + 9082.

It is an arithmetic number, because the mean of its divisors is an integer number (2357040).

Almost surely, 2^29011972 is an apocalyptic number.

29011972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29011972 is a deficient number, since it is larger than the sum of its proper divisors (27556988).

29011972 is a wasteful number, since it uses less digits than its factorization.

29011972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14091 (or 14089 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 29011972 is about 5386.2762647306. The cubic root of 29011972 is about 307.2739546567.

The spelling of 29011972 in words is "twenty-nine million, eleven thousand, nine hundred seventy-two".