29945673 has 16 divisors (see below), whose sum is σ = 45397440. Its totient is φ = 19498752.

The previous prime is 29945647. The next prime is 29945677. The reversal of 29945673 is 37654992.

It is a happy number.

It is not a de Polignac number, because 29945673 - 2⁸ = 29945417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29945677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11736 + ... + 14057.

It is an arithmetic number, because the mean of its divisors is an integer number (2837340).

Almost surely, 2^29945673 is an apocalyptic number.

It is an amenable number.

29945673 is a deficient number, since it is larger than the sum of its proper divisors (15451767).

29945673 is a wasteful number, since it uses less digits than its factorization.

29945673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25845 (or 25839 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 29945673 is about 5472.2639738960. The cubic root of 29945673 is about 310.5355743506.

The spelling of 29945673 in words is "twenty-nine million, nine hundred forty-five thousand, six hundred seventy-three".