701307640 has 128 divisors (see below), whose sum is σ = 1783710720. Its totient is φ = 245952000.

The previous prime is 701307631. The next prime is 701307643. The reversal of 701307640 is 46703107.

It is a junction number, because it is equal to n+sod(n) for n = 701307599 and 701307608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (701307643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1910737 + ... + 1911103.

It is an arithmetic number, because the mean of its divisors is an integer number (13935240).

Almost surely, 2^701307640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 701307640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891855360).

701307640 is an abundant number, since it is smaller than the sum of its proper divisors (1082403080).

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

701307640 is a wasteful number, since it uses less digits than its factorization.

701307640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 701307640 is about 26482.2136536959. The cubic root of 701307640 is about 888.4565429633.

The spelling of 701307640 in words is "seven hundred one million, three hundred seven thousand, six hundred forty".