29812045 has 16 divisors (see below), whose sum is σ = 38016000. Its totient is φ = 22379328.

The previous prime is 29812039. The next prime is 29812061. The reversal of 29812045 is 54021892.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29812045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29811998 and 29812016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8916 + ... + 11794.

It is an arithmetic number, because the mean of its divisors is an integer number (2376000).

Almost surely, 2^29812045 is an apocalyptic number.

It is an amenable number.

29812045 is a deficient number, since it is larger than the sum of its proper divisors (8203955).

29812045 is a wasteful number, since it uses less digits than its factorization.

29812045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 29812045 is about 5460.0407507637. The cubic root of 29812045 is about 310.0729796961.

The spelling of 29812045 in words is "twenty-nine million, eight hundred twelve thousand, forty-five".