7867049 has 2 divisors, whose sum is σ = 7867050. Its totient is φ = 7867048.

The previous prime is 7867021. The next prime is 7867061. The reversal of 7867049 is 9407687.

7867049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7463824 + 403225 = 2732^2 + 635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7867049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7866997 and 7867015.

It is not a weakly prime, because it can be changed into another prime (7867009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3933524 + 3933525.

It is an arithmetic number, because the mean of its divisors is an integer number (3933525).

Almost surely, 2^7867049 is an apocalyptic number.

It is an amenable number.

7867049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7867049 is an equidigital number, since it uses as much as digits as its factorization.

7867049 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 7867049 is about 2804.8260195599. The cubic root of 7867049 is about 198.8858802098.

The spelling of 7867049 in words is "seven million, eight hundred sixty-seven thousand, forty-nine".