7405007 has 2 divisors, whose sum is σ = 7405008. Its totient is φ = 7405006.

The previous prime is 7404997. The next prime is 7405009. The reversal of 7405007 is 7005047.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7405007 - 2²² = 3210703 is a prime.

Together with 7405009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7405009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3702503 + 3702504.

It is an arithmetic number, because the mean of its divisors is an integer number (3702504).

Almost surely, 2^7405007 is an apocalyptic number.

7405007 is a deficient number, since it is larger than the sum of its proper divisors (1).

7405007 is an equidigital number, since it uses as much as digits as its factorization.

7405007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 7405007 is about 2721.2142510284. The cubic root of 7405007 is about 194.9134571044.

The spelling of 7405007 in words is "seven million, four hundred five thousand, seven".