701602640 has 20 divisors (see below), whose sum is σ = 1631226324. Its totient is φ = 280641024.

The previous prime is 701602637. The next prime is 701602651. The reversal of 701602640 is 46206107.

It can be written as a sum of positive squares in 2 ways, for example, as 166513216 + 535089424 = 12904^2 + 23132^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4384937 + ... + 4385096.

Almost surely, 2^701602640 is an apocalyptic number.

It is an amenable number.

701602640 is an abundant number, since it is smaller than the sum of its proper divisors (929623684).

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

701602640 is a wasteful number, since it uses less digits than its factorization.

701602640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8770046 (or 8770040 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 701602640 is about 26487.7828441718. The cubic root of 701602640 is about 888.5810997790.

Adding to 701602640 its reverse (46206107), we get a palindrome (747808747).

The spelling of 701602640 in words is "seven hundred one million, six hundred two thousand, six hundred forty".