29664742 has 4 divisors (see below), whose sum is σ = 44497116. Its totient is φ = 14832370.

The previous prime is 29664707. The next prime is 29664769. The reversal of 29664742 is 24746692.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 29664695 and 29664704.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7416184 + ... + 7416187.

It is an arithmetic number, because the mean of its divisors is an integer number (11124279).

Almost surely, 2^29664742 is an apocalyptic number.

29664742 is a deficient number, since it is larger than the sum of its proper divisors (14832374).

29664742 is a wasteful number, since it uses less digits than its factorization.

29664742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14832373.

The product of its digits is 145152, while the sum is 40.

The square root of 29664742 is about 5446.5348617263. The cubic root of 29664742 is about 309.5614402119.

The spelling of 29664742 in words is "twenty-nine million, six hundred sixty-four thousand, seven hundred forty-two".