7457042507 has 2 divisors, whose sum is σ = 7457042508. Its totient is φ = 7457042506.

The previous prime is 7457042477. The next prime is 7457042531. The reversal of 7457042507 is 7052407547.

It is a strong prime.

It is an emirp because it is prime and its reverse (7052407547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7457042507 - 2⁶ = 7457042443 is a prime.

It is not a weakly prime, because it can be changed into another prime (7457042597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3728521253 + 3728521254.

It is an arithmetic number, because the mean of its divisors is an integer number (3728521254).

Almost surely, 2^7457042507 is an apocalyptic number.

7457042507 is a deficient number, since it is larger than the sum of its proper divisors (1).

7457042507 is an equidigital number, since it uses as much as digits as its factorization.

7457042507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 274400, while the sum is 41.

The square root of 7457042507 is about 86354.1690192199. The cubic root of 7457042507 is about 1953.6894871560.

The spelling of 7457042507 in words is "seven billion, four hundred fifty-seven million, forty-two thousand, five hundred seven".