29749445 has 16 divisors (see below), whose sum is σ = 39251520. Its totient is φ = 21465600.

The previous prime is 29749427. The next prime is 29749453. The reversal of 29749445 is 54494792.

It is not a de Polignac number, because 29749445 - 2⁶ = 29749381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29749396 and 29749405.

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 in 15 ways as a sum of consecutive naturals, for example, 5141 + ... + 9269.

It is an arithmetic number, because the mean of its divisors is an integer number (2453220).

Almost surely, 2^29749445 is an apocalyptic number.

It is an amenable number.

29749445 is a deficient number, since it is larger than the sum of its proper divisors (9502075).

29749445 is a wasteful number, since it uses less digits than its factorization.

29749445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276.

The product of its digits is 362880, while the sum is 44.

The square root of 29749445 is about 5454.3051803140. The cubic root of 29749445 is about 309.8557948787.

The spelling of 29749445 in words is "twenty-nine million, seven hundred forty-nine thousand, four hundred forty-five".