700140457 has 4 divisors (see below), whose sum is σ = 700224196. Its totient is φ = 700056720.

The previous prime is 700140451. The next prime is 700140473. The reversal of 700140457 is 754041007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 302377321 + 397763136 = 17389^2 + 19944^2 .

It is a cyclic number.

It is not a de Polignac number, because 700140457 - 2³ = 700140449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (700140451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27738 + ... + 46579.

It is an arithmetic number, because the mean of its divisors is an integer number (175056049).

Almost surely, 2^700140457 is an apocalyptic number.

It is an amenable number.

700140457 is a deficient number, since it is larger than the sum of its proper divisors (83739).

700140457 is an equidigital number, since it uses as much as digits as its factorization.

700140457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83738.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 700140457 is about 26460.1673653059. The cubic root of 700140457 is about 887.9633845959.

The spelling of 700140457 in words is "seven hundred million, one hundred forty thousand, four hundred fifty-seven".