29315972 has 12 divisors (see below), whose sum is σ = 58632000. Its totient is φ = 12563976.

The previous prime is 29315953. The next prime is 29315989. The reversal of 29315972 is 27951392.

29315972 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523472 + ... + 523527.

It is an arithmetic number, because the mean of its divisors is an integer number (4886000).

Almost surely, 2^29315972 is an apocalyptic number.

It is an amenable number.

29315972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

29315972 is a wasteful number, since it uses less digits than its factorization.

29315972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047010 (or 1047008 counting only the distinct ones).

The product of its digits is 34020, while the sum is 38.

The square root of 29315972 is about 5414.4225915604. The cubic root of 29315972 is about 308.3434775008.

The spelling of 29315972 in words is "twenty-nine million, three hundred fifteen thousand, nine hundred seventy-two".