7428761 has 2 divisors, whose sum is σ = 7428762. Its totient is φ = 7428760.

The previous prime is 7428737. The next prime is 7428767. The reversal of 7428761 is 1678247.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7425625 + 3136 = 2725^2 + 56^2 .

It is a cyclic number.

It is not a de Polignac number, because 7428761 - 2⁶ = 7428697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7428767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3714380 + 3714381.

It is an arithmetic number, because the mean of its divisors is an integer number (3714381).

Almost surely, 2^7428761 is an apocalyptic number.

It is an amenable number.

7428761 is a deficient number, since it is larger than the sum of its proper divisors (1).

7428761 is an equidigital number, since it uses as much as digits as its factorization.

7428761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 35.

The square root of 7428761 is about 2725.5753521046. The cubic root of 7428761 is about 195.1216510261.

The spelling of 7428761 in words is "seven million, four hundred twenty-eight thousand, seven hundred sixty-one".