29942272 has 20 divisors (see below), whose sum is σ = 59827086. Its totient is φ = 14970880.

The previous prime is 29942207. The next prime is 29942279. The reversal of 29942272 is 27224992.

It can be written as a sum of positive squares in only one way, i.e., 17438976 + 12503296 = 4176^2 + 3536^2 .

It is a super-3 number, since 3×29942272³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29942279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28729 + ... + 29752.

Almost surely, 2^29942272 is an apocalyptic number.

It is an amenable number.

29942272 is a deficient number, since it is larger than the sum of its proper divisors (29884814).

29942272 is an frugal number, since it uses more digits than its factorization.

29942272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58499 (or 58483 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 29942272 is about 5471.9532161743. The cubic root of 29942272 is about 310.5238178221.

The spelling of 29942272 in words is "twenty-nine million, nine hundred forty-two thousand, two hundred seventy-two".