29748147 has 32 divisors (see below), whose sum is σ = 49351680. Its totient is φ = 15659520.

The previous prime is 29748143. The next prime is 29748149. The reversal of 29748147 is 74184792.

It is a happy number.

It is not a de Polignac number, because 29748147 - 2² = 29748143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29748099 and 29748108.

It is not an unprimeable number, because it can be changed into a prime (29748143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5254 + ... + 9332.

It is an arithmetic number, because the mean of its divisors is an integer number (1542240).

Almost surely, 2^29748147 is an apocalyptic number.

29748147 is a deficient number, since it is larger than the sum of its proper divisors (19603533).

29748147 is a wasteful number, since it uses less digits than its factorization.

29748147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123.

The product of its digits is 112896, while the sum is 42.

The square root of 29748147 is about 5454.1861904412. The cubic root of 29748147 is about 309.8512883670.

The spelling of 29748147 in words is "twenty-nine million, seven hundred forty-eight thousand, one hundred forty-seven".