29100072 has 32 divisors (see below), whose sum is σ = 75098880. Its totient is φ = 9386880.

The previous prime is 29100061. The next prime is 29100089. The reversal of 29100072 is 27000192.

It is a happy number.

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, 18813 + ... + 20300.

It is an arithmetic number, because the mean of its divisors is an integer number (2346840).

Almost surely, 2^29100072 is an apocalyptic number.

It is an amenable number.

29100072 is an abundant number, since it is smaller than the sum of its proper divisors (45998808).

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

29100072 is a wasteful number, since it uses less digits than its factorization.

29100072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39153 (or 39149 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 29100072 is about 5394.4482572363. The cubic root of 29100072 is about 307.5846709792.

The spelling of 29100072 in words is "twenty-nine million, one hundred thousand, seventy-two".