29043420 has 48 divisors (see below), whose sum is σ = 92940288. Its totient is φ = 6638400.

The previous prime is 29043407. The next prime is 29043433. The reversal of 29043420 is 2434092.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29043407) and next prime (29043433).

It is a nialpdrome in base 12.

It is a congruent number.

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, 34156 + ... + 34995.

It is an arithmetic number, because the mean of its divisors is an integer number (1936256).

Almost surely, 2^29043420 is an apocalyptic number.

29043420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29043420 is an abundant number, since it is smaller than the sum of its proper divisors (63896868).

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

29043420 is a wasteful number, since it uses less digits than its factorization.

29043420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69170 (or 69168 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 29043420 is about 5389.1947450431. The cubic root of 29043420 is about 307.3849394359.

The spelling of 29043420 in words is "twenty-nine million, forty-three thousand, four hundred twenty".