7087429 has 2 divisors, whose sum is σ = 7087430. Its totient is φ = 7087428.

The previous prime is 7087411. The next prime is 7087439. The reversal of 7087429 is 9247807.

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., 5062500 + 2024929 = 2250^2 + 1423^2 .

It is a cyclic number.

It is not a de Polignac number, because 7087429 - 2¹⁵ = 7054661 is a prime.

7087429 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7087439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3543714 + 3543715.

It is an arithmetic number, because the mean of its divisors is an integer number (3543715).

Almost surely, 2^7087429 is an apocalyptic number.

It is an amenable number.

7087429 is a deficient number, since it is larger than the sum of its proper divisors (1).

7087429 is an equidigital number, since it uses as much as digits as its factorization.

7087429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 7087429 is about 2662.2225677054. Note that the first 3 decimals coincide. The cubic root of 7087429 is about 192.0862333271.

The spelling of 7087429 in words is "seven million, eighty-seven thousand, four hundred twenty-nine".