700045 has 4 divisors (see below), whose sum is σ = 840060. Its totient is φ = 560032.

The previous prime is 700027. The next prime is 700057. The reversal of 700045 is 540007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540007 = 13 ⋅41539.

It can be written as a sum of positive squares in 2 ways, for example, as 306916 + 393129 = 554^2 + 627^2 .

It is a cyclic number.

It is not a de Polignac number, because 700045 - 2¹⁹ = 175757 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70000 + ... + 70009.

It is an arithmetic number, because the mean of its divisors is an integer number (210015).

2⁷⁰⁰⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

700045 is a deficient number, since it is larger than the sum of its proper divisors (140015).

700045 is a wasteful number, since it uses less digits than its factorization.

700045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140014.

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 700045 is about 836.6869187456. The cubic root of 700045 is about 88.7923027849.

The spelling of 700045 in words is "seven hundred thousand, forty-five".