29898072 has 160 divisors (see below), whose sum is σ = 91040400. Its totient is φ = 9144576.

The previous prime is 29898049. The next prime is 29898079. The reversal of 29898072 is 27089892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29898079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 695283 + ... + 695325.

Almost surely, 2^29898072 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 29898072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45520200).

29898072 is an abundant number, since it is smaller than the sum of its proper divisors (61142328).

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

29898072 is a wasteful number, since it uses less digits than its factorization.

29898072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 29898072 is about 5467.9129473685. The cubic root of 29898072 is about 310.3709468592.

The spelling of 29898072 in words is "twenty-nine million, eight hundred ninety-eight thousand, seventy-two".