29429968 has 10 divisors (see below), whose sum is σ = 57020594. Its totient is φ = 14714976.

The previous prime is 29429947. The next prime is 29429969. The reversal of 29429968 is 86992492.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29030544 + 399424 = 5388^2 + 632^2 .

It is a super-2 number, since 2×29429968² = 1732246032962048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29429969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 919671 + ... + 919702.

Almost surely, 2^29429968 is an apocalyptic number.

It is an amenable number.

29429968 is a deficient number, since it is larger than the sum of its proper divisors (27590626).

29429968 is a wasteful number, since it uses less digits than its factorization.

29429968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839381 (or 1839375 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 29429968 is about 5424.9394466667. The cubic root of 29429968 is about 308.7426280701.

The spelling of 29429968 in words is "twenty-nine million, four hundred twenty-nine thousand, nine hundred sixty-eight".