29681372 has 24 divisors (see below), whose sum is σ = 59923584. Its totient is φ = 12600432.

The previous prime is 29681359. The next prime is 29681383. The reversal of 29681372 is 27318692.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1958 + ... + 7949.

It is an arithmetic number, because the mean of its divisors is an integer number (2496816).

Almost surely, 2^29681372 is an apocalyptic number.

It is an amenable number.

29681372 is an abundant number, since it is smaller than the sum of its proper divisors (30242212).

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

29681372 is a wasteful number, since it uses less digits than its factorization.

29681372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10025 (or 10023 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 29681372 is about 5448.0613065567. The cubic root of 29681372 is about 309.6192759311.

The spelling of 29681372 in words is "twenty-nine million, six hundred eighty-one thousand, three hundred seventy-two".