6708749 has 2 divisors, whose sum is σ = 6708750. Its totient is φ = 6708748.

The previous prime is 6708739. The next prime is 6708781. The reversal of 6708749 is 9478076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6666724 + 42025 = 2582^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 6708749 - 2¹² = 6704653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6708739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3354374 + 3354375.

It is an arithmetic number, because the mean of its divisors is an integer number (3354375).

Almost surely, 2^6708749 is an apocalyptic number.

It is an amenable number.

6708749 is a deficient number, since it is larger than the sum of its proper divisors (1).

6708749 is an equidigital number, since it uses as much as digits as its factorization.

6708749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 6708749 is about 2590.1252865450. The cubic root of 6708749 is about 188.6023853535.

The spelling of 6708749 in words is "six million, seven hundred eight thousand, seven hundred forty-nine".