29697970 has 8 divisors (see below), whose sum is σ = 53456364. Its totient is φ = 11879184.

The previous prime is 29697961. The next prime is 29697971. The reversal of 29697970 is 7979692.

It can be written as a sum of positive squares in 2 ways, for example, as 24000201 + 5697769 = 4899^2 + 2387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (29697971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484889 + ... + 1484908.

Almost surely, 2^29697970 is an apocalyptic number.

29697970 is a deficient number, since it is larger than the sum of its proper divisors (23758394).

29697970 is a wasteful number, since it uses less digits than its factorization.

29697970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969804.

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 29697970 is about 5449.5843878226. The cubic root of 29697970 is about 309.6769788242.

The spelling of 29697970 in words is "twenty-nine million, six hundred ninety-seven thousand, nine hundred seventy".