6920761 has 2 divisors, whose sum is σ = 6920762. Its totient is φ = 6920760.

The previous prime is 6920741. The next prime is 6920773. The reversal of 6920761 is 1670296.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6250000 + 670761 = 2500^2 + 819^2 .

It is a cyclic number.

It is not a de Polignac number, because 6920761 - 2¹³ = 6912569 is a prime.

It is not a weakly prime, because it can be changed into another prime (6920741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3460380 + 3460381.

It is an arithmetic number, because the mean of its divisors is an integer number (3460381).

Almost surely, 2^6920761 is an apocalyptic number.

6920761 is the 1177-th centered decagonal number.

It is an amenable number.

6920761 is a deficient number, since it is larger than the sum of its proper divisors (1).

6920761 is an equidigital number, since it uses as much as digits as its factorization.

6920761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 6920761 is about 2630.7339280132. The cubic root of 6920761 is about 190.5685738573.

The spelling of 6920761 in words is "six million, nine hundred twenty thousand, seven hundred sixty-one".