700440749 has 4 divisors (see below), whose sum is σ = 741643164. Its totient is φ = 659238336.

The previous prime is 700440733. The next prime is 700440751. The reversal of 700440749 is 947044007.

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 645414025 + 55026724 = 25405^2 + 7418^2 .

It is a cyclic number.

It is not a de Polignac number, because 700440749 - 2⁴ = 700440733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (700440709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20601182 + ... + 20601215.

It is an arithmetic number, because the mean of its divisors is an integer number (185410791).

Almost surely, 2^700440749 is an apocalyptic number.

It is an amenable number.

700440749 is a deficient number, since it is larger than the sum of its proper divisors (41202415).

700440749 is a wasteful number, since it uses less digits than its factorization.

700440749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41202414.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 700440749 is about 26465.8411731046. The cubic root of 700440749 is about 888.0903163590.

The spelling of 700440749 in words is "seven hundred million, four hundred forty thousand, seven hundred forty-nine".