29840272 has 80 divisors (see below), whose sum is σ = 73602432. Its totient is φ = 11381760.

The previous prime is 29840257. The next prime is 29840281. The reversal of 29840272 is 27204892.

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, 65068 + ... + 65524.

Almost surely, 2^29840272 is an apocalyptic number.

29840272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29840272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36801216).

29840272 is an abundant number, since it is smaller than the sum of its proper divisors (43762160).

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

29840272 is a wasteful number, since it uses less digits than its factorization.

29840272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 29840272 is about 5462.6250100112. The cubic root of 29840272 is about 310.1708111721.

The spelling of 29840272 in words is "twenty-nine million, eight hundred forty thousand, two hundred seventy-two".