29975930 has 16 divisors (see below), whose sum is σ = 57130920. Its totient is φ = 11284992.

The previous prime is 29975929. The next prime is 29975941. The reversal of 29975930 is 3957992.

It can be written as a sum of positive squares in 4 ways, for example, as 22648081 + 7327849 = 4759^2 + 2707^2 .

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, 87995 + ... + 88334.

Almost surely, 2^29975930 is an apocalyptic number.

29975930 is a deficient number, since it is larger than the sum of its proper divisors (27154990).

29975930 is a wasteful number, since it uses less digits than its factorization.

29975930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176353.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 29975930 is about 5475.0278538104. The cubic root of 29975930 is about 310.6401271534.

The spelling of 29975930 in words is "twenty-nine million, nine hundred seventy-five thousand, nine hundred thirty".