29828972 has 6 divisors (see below), whose sum is σ = 52200708. Its totient is φ = 14914484.

The previous prime is 29828963. The next prime is 29828977. The reversal of 29828972 is 27982892.

It is not an unprimeable number, because it can be changed into a prime (29828977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3728618 + ... + 3728625.

It is an arithmetic number, because the mean of its divisors is an integer number (8700118).

Almost surely, 2^29828972 is an apocalyptic number.

It is an amenable number.

29828972 is a deficient number, since it is larger than the sum of its proper divisors (22371736).

29828972 is a wasteful number, since it uses less digits than its factorization.

29828972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7457247 (or 7457245 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 29828972 is about 5461.5906108019. The cubic root of 29828972 is about 310.1316541041.

The spelling of 29828972 in words is "twenty-nine million, eight hundred twenty-eight thousand, nine hundred seventy-two".