29228736 has 112 divisors (see below), whose sum is σ = 81930240. Its totient is φ = 9185280.

The previous prime is 29228711. The next prime is 29228741. The reversal of 29228736 is 63782292.

It is a junction number, because it is equal to n+sod(n) for n = 29228694 and 29228703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369945 + ... + 370023.

It is an arithmetic number, because the mean of its divisors is an integer number (731520).

Almost surely, 2^29228736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29228736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40965120).

29228736 is an abundant number, since it is smaller than the sum of its proper divisors (52701504).

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

29228736 is a wasteful number, since it uses less digits than its factorization.

29228736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 172 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 29228736 is about 5406.3606982886. The cubic root of 29228736 is about 308.0373261110.

The spelling of 29228736 in words is "twenty-nine million, two hundred twenty-eight thousand, seven hundred thirty-six".