4729947 has 4 divisors (see below), whose sum is σ = 6306600. Its totient is φ = 3153296.

The previous prime is 4729943. The next prime is 4729979. The reversal of 4729947 is 7499274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4729947 - 2² = 4729943 is a prime.

It is an Ulam number.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 4729899 and 4729908.

It is not an unprimeable number, because it can be changed into a prime (4729943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788322 + ... + 788327.

It is an arithmetic number, because the mean of its divisors is an integer number (1576650).

Almost surely, 2^4729947 is an apocalyptic number.

4729947 is a deficient number, since it is larger than the sum of its proper divisors (1576653).

4729947 is a wasteful number, since it uses less digits than its factorization.

4729947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576652.

The product of its digits is 127008, while the sum is 42.

The square root of 4729947 is about 2174.8441323460. The cubic root of 4729947 is about 167.8618833644.

The spelling of 4729947 in words is "four million, seven hundred twenty-nine thousand, nine hundred forty-seven".