7387237057 has 2 divisors, whose sum is σ = 7387237058. Its totient is φ = 7387237056.

The previous prime is 7387237021. The next prime is 7387237063. The reversal of 7387237057 is 7507327837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4785318976 + 2601918081 = 69176^2 + 51009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7387237057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7387237057.

It is not a weakly prime, because it can be changed into another prime (7387237357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3693618528 + 3693618529.

It is an arithmetic number, because the mean of its divisors is an integer number (3693618529).

Almost surely, 2^7387237057 is an apocalyptic number.

It is an amenable number.

7387237057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7387237057 is an equidigital number, since it uses as much as digits as its factorization.

7387237057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728720, while the sum is 49.

The square root of 7387237057 is about 85949.0375571478. The cubic root of 7387237057 is about 1947.5741965214.

The spelling of 7387237057 in words is "seven billion, three hundred eighty-seven million, two hundred thirty-seven thousand, fifty-seven".