703480640 has 28 divisors (see below), whose sum is σ = 1675164036. Its totient is φ = 281392128.

The previous prime is 703480549. The next prime is 703480649. The reversal of 703480640 is 46084307.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 450797824 + 252682816 = 21232^2 + 15896^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 703480597 and 703480606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (703480649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098869 + ... + 1099508.

It is an arithmetic number, because the mean of its divisors is an integer number (59827287).

Almost surely, 2^703480640 is an apocalyptic number.

It is an amenable number.

703480640 is an abundant number, since it is smaller than the sum of its proper divisors (971683396).

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

703480640 is a wasteful number, since it uses less digits than its factorization.

703480640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198394 (or 2198384 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 703480640 is about 26523.2094588871. The cubic root of 703480640 is about 889.3732236420.

The spelling of 703480640 in words is "seven hundred three million, four hundred eighty thousand, six hundred forty".