4736729 has 2 divisors, whose sum is σ = 4736730. Its totient is φ = 4736728.

The previous prime is 4736723. The next prime is 4736731. The reversal of 4736729 is 9276374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4631104 + 105625 = 2152^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 4736729 - 2⁴ = 4736713 is a prime.

Together with 4736731, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4736692 and 4736701.

It is not a weakly prime, because it can be changed into another prime (4736723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2368364 + 2368365.

It is an arithmetic number, because the mean of its divisors is an integer number (2368365).

Almost surely, 2^4736729 is an apocalyptic number.

It is an amenable number.

4736729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4736729 is an equidigital number, since it uses as much as digits as its factorization.

4736729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 38.

The square root of 4736729 is about 2176.4027660339. The cubic root of 4736729 is about 167.9420742285.

The spelling of 4736729 in words is "four million, seven hundred thirty-six thousand, seven hundred twenty-nine".