29112745 has 8 divisors (see below), whose sum is σ = 35281800. Its totient is φ = 23059200.

The previous prime is 29112709. The next prime is 29112761. The reversal of 29112745 is 54721192.

It can be written as a sum of positive squares in 4 ways, for example, as 20034576 + 9078169 = 4476^2 + 3013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29112745 - 2¹⁵ = 29079977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28320 + ... + 29329.

It is an arithmetic number, because the mean of its divisors is an integer number (4410225).

Almost surely, 2^29112745 is an apocalyptic number.

It is an amenable number.

29112745 is a deficient number, since it is larger than the sum of its proper divisors (6169055).

29112745 is a wasteful number, since it uses less digits than its factorization.

29112745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57755.

The product of its digits is 5040, while the sum is 31.

The square root of 29112745 is about 5395.6227629441. The cubic root of 29112745 is about 307.6293152538.

The spelling of 29112745 in words is "twenty-nine million, one hundred twelve thousand, seven hundred forty-five".