29952720 has 240 divisors, whose sum is σ = 120438720. Its totient is φ = 6822144.

The previous prime is 29952719. The next prime is 29952731. The reversal of 29952720 is 2725992.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105699 + ... + 105981.

It is an arithmetic number, because the mean of its divisors is an integer number (501828).

Almost surely, 2^29952720 is an apocalyptic number.

29952720 is a gapful number since it is divisible by the number (20) 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 29952720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60219360).

29952720 is an abundant number, since it is smaller than the sum of its proper divisors (90486000).

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

29952720 is a wasteful number, since it uses less digits than its factorization.

29952720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 29952720 is about 5472.9078194320. The cubic root of 29952720 is about 310.5599314874.

The spelling of 29952720 in words is "twenty-nine million, nine hundred fifty-two thousand, seven hundred twenty".