7499000057 has 2 divisors, whose sum is σ = 7499000058. Its totient is φ = 7499000056.

The previous prime is 7499000039. The next prime is 7499000087. The reversal of 7499000057 is 7500009947.

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., 6199830121 + 1299169936 = 78739^2 + 36044^2 .

It is a cyclic number.

It is not a de Polignac number, because 7499000057 - 2⁸ = 7498999801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7498999978 and 7499000023.

It is not a weakly prime, because it can be changed into another prime (7499000087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3749500028 + 3749500029.

It is an arithmetic number, because the mean of its divisors is an integer number (3749500029).

Almost surely, 2^7499000057 is an apocalyptic number.

It is an amenable number.

7499000057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7499000057 is an equidigital number, since it uses as much as digits as its factorization.

7499000057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 7499000057 is about 86596.7670124006. The cubic root of 7499000057 is about 1957.3468246182.

The spelling of 7499000057 in words is "seven billion, four hundred ninety-nine million, fifty-seven", and thus it is an aban number.