7480657 has 2 divisors, whose sum is σ = 7480658. Its totient is φ = 7480656.

The previous prime is 7480651. The next prime is 7480673. The reversal of 7480657 is 7560847.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6713281 + 767376 = 2591^2 + 876^2 .

It is a cyclic number.

It is not a de Polignac number, because 7480657 - 2¹⁵ = 7447889 is a prime.

It is a d-powerful number, because it can be written as 7³ + 4 + 8⁵ + 0 + 6⁸ + 5⁵ + 7⁸ .

It is not a weakly prime, because it can be changed into another prime (7480651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3740328 + 3740329.

It is an arithmetic number, because the mean of its divisors is an integer number (3740329).

Almost surely, 2^7480657 is an apocalyptic number.

It is an amenable number.

7480657 is a deficient number, since it is larger than the sum of its proper divisors (1).

7480657 is an equidigital number, since it uses as much as digits as its factorization.

7480657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 7480657 is about 2735.0789750938. The cubic root of 7480657 is about 195.5749587731.

The spelling of 7480657 in words is "seven million, four hundred eighty thousand, six hundred fifty-seven".