29047028 has 6 divisors (see below), whose sum is σ = 50832306. Its totient is φ = 14523512.

The previous prime is 29047013. The next prime is 29047037. The reversal of 29047028 is 82074092.

It can be written as a sum of positive squares in only one way, i.e., 21418384 + 7628644 = 4628^2 + 2762^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29046985 and 29047003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3630875 + ... + 3630882.

It is an arithmetic number, because the mean of its divisors is an integer number (8472051).

Almost surely, 2^29047028 is an apocalyptic number.

It is an amenable number.

29047028 is a deficient number, since it is larger than the sum of its proper divisors (21785278).

29047028 is a wasteful number, since it uses less digits than its factorization.

29047028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7261761 (or 7261759 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 29047028 is about 5389.5294785352. The cubic root of 29047028 is about 307.3976674932.

Adding to 29047028 its product of nonzero digits (8064), we get a palindrome (29055092).

The spelling of 29047028 in words is "twenty-nine million, forty-seven thousand, twenty-eight".