5078729 has 2 divisors, whose sum is σ = 5078730. Its totient is φ = 5078728.

The previous prime is 5078663. The next prime is 5078737. The reversal of 5078729 is 9278705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5071504 + 7225 = 2252^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 5078729 - 2¹² = 5074633 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 5078692 and 5078701.

It is not a weakly prime, because it can be changed into another prime (5078789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2539364 + 2539365.

It is an arithmetic number, because the mean of its divisors is an integer number (2539365).

Almost surely, 2^5078729 is an apocalyptic number.

It is an amenable number.

5078729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5078729 is an equidigital number, since it uses as much as digits as its factorization.

5078729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 5078729 is about 2253.6035587476. The cubic root of 5078729 is about 171.8904228144.

The spelling of 5078729 in words is "five million, seventy-eight thousand, seven hundred twenty-nine".