29992972 has 12 divisors (see below), whose sum is σ = 52761016. Its totient is φ = 14918400.

The previous prime is 29992957. The next prime is 29992993. The reversal of 29992972 is 27929992.

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, 18654 + ... + 20197.

Almost surely, 2^29992972 is an apocalyptic number.

It is an amenable number.

29992972 is a deficient number, since it is larger than the sum of its proper divisors (22768044).

29992972 is a wasteful number, since it uses less digits than its factorization.

29992972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39048 (or 39046 counting only the distinct ones).

The product of its digits is 367416, while the sum is 49.

The square root of 29992972 is about 5476.5839717839. The cubic root of 29992972 is about 310.6989846670.

The spelling of 29992972 in words is "twenty-nine million, nine hundred ninety-two thousand, nine hundred seventy-two".