4622729 has 4 divisors (see below), whose sum is σ = 4670484. Its totient is φ = 4574976.

The previous prime is 4622711. The next prime is 4622741. The reversal of 4622729 is 9272264.

4622729 = T₁₁₄ + T₁₁₅ + ... + T₃₀₇.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2805625 + 1817104 = 1675^2 + 1348^2 .

It is a cyclic number.

It is not a de Polignac number, because 4622729 - 2¹⁶ = 4557193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4622695 and 4622704.

It is not an unprimeable number, because it can be changed into a prime (4622789) 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, 23732 + ... + 23925.

It is an arithmetic number, because the mean of its divisors is an integer number (1167621).

Almost surely, 2^4622729 is an apocalyptic number.

It is an amenable number.

4622729 is a deficient number, since it is larger than the sum of its proper divisors (47755).

4622729 is an equidigital number, since it uses as much as digits as its factorization.

4622729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47754.

The product of its digits is 12096, while the sum is 32.

The square root of 4622729 is about 2150.0532551544. The cubic root of 4622729 is about 166.5838179345.

The spelling of 4622729 in words is "four million, six hundred twenty-two thousand, seven hundred twenty-nine".