701720064 has 160 divisors (see below), whose sum is σ = 2168432640. Its totient is φ = 223635456.

The previous prime is 701720039. The next prime is 701720077. The reversal of 701720064 is 460027107.

It is a super-2 number, since 2×701720064² = 984822096440328192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316849 + ... + 319055.

It is an arithmetic number, because the mean of its divisors is an integer number (13552704).

Almost surely, 2^701720064 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 701720064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1084216320).

701720064 is an abundant number, since it is smaller than the sum of its proper divisors (1466712576).

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

701720064 is a wasteful number, since it uses less digits than its factorization.

701720064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257 (or 2235 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 701720064 is about 26489.9993204983. Note that the first 3 decimals coincide. The cubic root of 701720064 is about 888.6306695880.

The spelling of 701720064 in words is "seven hundred one million, seven hundred twenty thousand, sixty-four".