29972468 has 6 divisors (see below), whose sum is σ = 52451826. Its totient is φ = 14986232.

The previous prime is 29972389. The next prime is 29972477. The reversal of 29972468 is 86427992.

It can be written as a sum of positive squares in only one way, i.e., 17875984 + 12096484 = 4228^2 + 3478^2 .

It is a super-2 number, since 2×29972468² = 1796697676022048, which contains 22 as substring.

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, 3746555 + ... + 3746562.

It is an arithmetic number, because the mean of its divisors is an integer number (8741971).

Almost surely, 2^29972468 is an apocalyptic number.

It is an amenable number.

29972468 is a deficient number, since it is larger than the sum of its proper divisors (22479358).

29972468 is a wasteful number, since it uses less digits than its factorization.

29972468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7493121 (or 7493119 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 29972468 is about 5474.7116819062. The cubic root of 29972468 is about 310.6281678077.

The spelling of 29972468 in words is "twenty-nine million, nine hundred seventy-two thousand, four hundred sixty-eight".