710746640 has 40 divisors (see below), whose sum is σ = 1653738648. Its totient is φ = 284083200.

The previous prime is 710746601. The next prime is 710746721. The reversal of 710746640 is 46647017.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 204304 + 710542336 = 452^2 + 26656^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 710746640.

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 7 ways as a sum of consecutive naturals, for example, 141614 + ... + 146546.

Almost surely, 2^710746640 is an apocalyptic number.

It is an amenable number.

710746640 is an abundant number, since it is smaller than the sum of its proper divisors (942992008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

710746640 is a wasteful number, since it uses less digits than its factorization.

710746640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6747 (or 6741 counting only the distinct ones).

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

The square root of 710746640 is about 26659.8319574599. The cubic root of 710746640 is about 892.4247476090.

The spelling of 710746640 in words is "seven hundred ten million, seven hundred forty-six thousand, six hundred forty".