7487407 has 2 divisors, whose sum is σ = 7487408. Its totient is φ = 7487406.

The previous prime is 7487401. The next prime is 7487413. The reversal of 7487407 is 7047847.

It is a balanced prime because it is at equal distance from previous prime (7487401) and next prime (7487413).

It is a cyclic number.

It is not a de Polignac number, because 7487407 - 2¹⁵ = 7454639 is a prime.

It is a super-2 number, since 2×7487407² = 112122527167298, which contains 22 as substring.

It is a Chen prime.

7487407 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7487401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3743703 + 3743704.

It is an arithmetic number, because the mean of its divisors is an integer number (3743704).

Almost surely, 2^7487407 is an apocalyptic number.

7487407 is a deficient number, since it is larger than the sum of its proper divisors (1).

7487407 is an equidigital number, since it uses as much as digits as its factorization.

7487407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 7487407 is about 2736.3126648832. The cubic root of 7487407 is about 195.6337652882.

The spelling of 7487407 in words is "seven million, four hundred eighty-seven thousand, four hundred seven".