29974872 has 16 divisors (see below), whose sum is σ = 74937240. Its totient is φ = 9991616.

The previous prime is 29974853. The next prime is 29974877. The reversal of 29974872 is 27847992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29974877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624453 + ... + 624500.

Almost surely, 2^29974872 is an apocalyptic number.

It is an amenable number.

29974872 is an abundant number, since it is smaller than the sum of its proper divisors (44962368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29974872 is a wasteful number, since it uses less digits than its factorization.

29974872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248962 (or 1248958 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 29974872 is about 5474.9312324448. The cubic root of 29974872 is about 310.6364724308.

The spelling of 29974872 in words is "twenty-nine million, nine hundred seventy-four thousand, eight hundred seventy-two".