29972764 has 12 divisors (see below), whose sum is σ = 52560144. Its totient is φ = 14955584.

The previous prime is 29972759. The next prime is 29972771. The reversal of 29972764 is 46727992.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5437 + ... + 9460.

It is an arithmetic number, because the mean of its divisors is an integer number (4380012).

Almost surely, 2^29972764 is an apocalyptic number.

It is an amenable number.

29972764 is a deficient number, since it is larger than the sum of its proper divisors (22587380).

29972764 is a wasteful number, since it uses less digits than its factorization.

29972764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15404 (or 15402 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 29972764 is about 5474.7387152265. The cubic root of 29972764 is about 310.6291903643.

The spelling of 29972764 in words is "twenty-nine million, nine hundred seventy-two thousand, seven hundred sixty-four".