29075420 has 48 divisors (see below), whose sum is σ = 66987648. Its totient is φ = 10512960.

The previous prime is 29075399. The next prime is 29075441. The reversal of 29075420 is 2457092.

It is an interprime number because it is at equal distance from previous prime (29075399) and next prime (29075441).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62027 + ... + 62493.

It is an arithmetic number, because the mean of its divisors is an integer number (1395576).

Almost surely, 2^29075420 is an apocalyptic number.

29075420 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 29075420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33493824).

29075420 is an abundant number, since it is smaller than the sum of its proper divisors (37912228).

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

29075420 is a wasteful number, since it uses less digits than its factorization.

29075420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 29075420 is about 5392.1628313692. The cubic root of 29075420 is about 307.4977901002.

The spelling of 29075420 in words is "twenty-nine million, seventy-five thousand, four hundred twenty".