7474540487 has 2 divisors, whose sum is σ = 7474540488. Its totient is φ = 7474540486.

The previous prime is 7474540481. The next prime is 7474540517. The reversal of 7474540487 is 7840454747.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7474540487 - 2¹⁶ = 7474474951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7474540481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3737270243 + 3737270244.

It is an arithmetic number, because the mean of its divisors is an integer number (3737270244).

Almost surely, 2^7474540487 is an apocalyptic number.

7474540487 is a deficient number, since it is larger than the sum of its proper divisors (1).

7474540487 is an equidigital number, since it uses as much as digits as its factorization.

7474540487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3512320, while the sum is 50.

The square root of 7474540487 is about 86455.4248558180. The cubic root of 7474540487 is about 1955.2164068629.

The spelling of 7474540487 in words is "seven billion, four hundred seventy-four million, five hundred forty thousand, four hundred eighty-seven".