701778 has 64 divisors (see below), whose sum is σ = 1843200. Its totient is φ = 176400.

The previous prime is 701761. The next prime is 701783. The reversal of 701778 is 877107.

701778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×701778² = 984984722568, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

701778 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22623 + ... + 22653.

It is an arithmetic number, because the mean of its divisors is an integer number (28800).

2⁷⁰¹⁷⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 701778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (921600).

701778 is an abundant number, since it is smaller than the sum of its proper divisors (1141422).

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

701778 is a wasteful number, since it uses less digits than its factorization.

701778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 30.

The square root of 701778 is about 837.7219108988. The cubic root of 701778 is about 88.8655124872.

The spelling of 701778 in words is "seven hundred one thousand, seven hundred seventy-eight".