29970788 has 6 divisors (see below), whose sum is σ = 52448886. Its totient is φ = 14985392.

The previous prime is 29970781. The next prime is 29970797. The reversal of 29970788 is 88707992.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23116864 + 6853924 = 4808^2 + 2618^2 .

It is not an unprimeable number, because it can be changed into a prime (29970781) 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 as a sum of consecutive naturals, namely, 3746345 + ... + 3746352.

It is an arithmetic number, because the mean of its divisors is an integer number (8741481).

Almost surely, 2^29970788 is an apocalyptic number.

It is an amenable number.

29970788 is a deficient number, since it is larger than the sum of its proper divisors (22478098).

29970788 is a wasteful number, since it uses less digits than its factorization.

29970788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7492701 (or 7492699 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 29970788 is about 5474.5582470187. The cubic root of 29970788 is about 310.6223639806.

The spelling of 29970788 in words is "twenty-nine million, nine hundred seventy thousand, seven hundred eighty-eight".