29850972 has 12 divisors (see below), whose sum is σ = 69652296. Its totient is φ = 9950320.

The previous prime is 29850959. The next prime is 29851001. The reversal of 29850972 is 27905892.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243779 + ... + 1243802.

It is an arithmetic number, because the mean of its divisors is an integer number (5804358).

Almost surely, 2^29850972 is an apocalyptic number.

It is an amenable number.

29850972 is an abundant number, since it is smaller than the sum of its proper divisors (39801324).

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

29850972 is a wasteful number, since it uses less digits than its factorization.

29850972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487588 (or 2487586 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 29850972 is about 5463.6043048522. The cubic root of 29850972 is about 310.2078799928.

The spelling of 29850972 in words is "twenty-nine million, eight hundred fifty thousand, nine hundred seventy-two".