4646729 has 8 divisors (see below), whose sum is σ = 4954248. Its totient is φ = 4343040.

The previous prime is 4646711. The next prime is 4646731. The reversal of 4646729 is 9276464.

It can be written as a sum of positive squares in 4 ways, for example, as 15625 + 4631104 = 125^2 + 2152^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4646729 - 2¹⁶ = 4581193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4646692 and 4646701.

It is not an unprimeable number, because it can be changed into a prime (4646129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1799 + ... + 3539.

It is an arithmetic number, because the mean of its divisors is an integer number (619281).

Almost surely, 2^4646729 is an apocalyptic number.

It is an amenable number.

4646729 is a deficient number, since it is larger than the sum of its proper divisors (307519).

4646729 is a wasteful number, since it uses less digits than its factorization.

4646729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915.

The product of its digits is 72576, while the sum is 38.

The square root of 4646729 is about 2155.6272868935. The cubic root of 4646729 is about 166.8716070046.

The spelling of 4646729 in words is "four million, six hundred forty-six thousand, seven hundred twenty-nine".