29143970 has 16 divisors (see below), whose sum is σ = 53320248. Its totient is φ = 11466240.

The previous prime is 29143957. The next prime is 29143987. The reversal of 29143970 is 7934192.

It can be written as a sum of positive squares in 4 ways, for example, as 17901361 + 11242609 = 4231^2 + 3353^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29143970.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23279 + ... + 24498.

Almost surely, 2^29143970 is an apocalyptic number.

29143970 is a deficient number, since it is larger than the sum of its proper divisors (24176278).

29143970 is a wasteful number, since it uses less digits than its factorization.

29143970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47845.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 29143970 is about 5398.5155367008. The cubic root of 29143970 is about 307.7392590051.

The spelling of 29143970 in words is "twenty-nine million, one hundred forty-three thousand, nine hundred seventy".