7480457 has 2 divisors, whose sum is σ = 7480458. Its totient is φ = 7480456.

The previous prime is 7480441. The next prime is 7480481. The reversal of 7480457 is 7540847.

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., 3904576 + 3575881 = 1976^2 + 1891^2 .

It is a cyclic number.

It is not a de Polignac number, because 7480457 - 2⁴ = 7480441 is a prime.

It is not a weakly prime, because it can be changed into another prime (7480157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3740228 + 3740229.

It is an arithmetic number, because the mean of its divisors is an integer number (3740229).

Almost surely, 2^7480457 is an apocalyptic number.

It is an amenable number.

7480457 is a deficient number, since it is larger than the sum of its proper divisors (1).

7480457 is an equidigital number, since it uses as much as digits as its factorization.

7480457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 7480457 is about 2735.0424128338. The cubic root of 7480457 is about 195.5732158183.

The spelling of 7480457 in words is "seven million, four hundred eighty thousand, four hundred fifty-seven".