29952740 has 24 divisors (see below), whose sum is σ = 66212160. Its totient is φ = 11350368.

The previous prime is 29952731. The next prime is 29952743. The reversal of 29952740 is 4725992.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 29952694 and 29952703.

It is not an unprimeable number, because it can be changed into a prime (29952743) 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 7 ways as a sum of consecutive naturals, for example, 39032 + ... + 39791.

It is an arithmetic number, because the mean of its divisors is an integer number (2758840).

Almost surely, 2^29952740 is an apocalyptic number.

29952740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29952740 is an abundant number, since it is smaller than the sum of its proper divisors (36259420).

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

29952740 is a wasteful number, since it uses less digits than its factorization.

29952740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78851 (or 78849 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 29952740 is about 5472.9096466139. The cubic root of 29952740 is about 310.5600006096.

The spelling of 29952740 in words is "twenty-nine million, nine hundred fifty-two thousand, seven hundred forty".