770944 has 32 divisors (see below), whose sum is σ = 1621800. Its totient is φ = 364032.

The previous prime is 770929. The next prime is 770951. The reversal of 770944 is 449077.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×770944² = 1188709302272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

770944 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 3 ways as a sum of consecutive naturals, for example, 2274 + ... + 2590.

2⁷⁷⁰⁹⁴⁴ 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 770944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810900).

770944 is an abundant number, since it is smaller than the sum of its proper divisors (850856).

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

770944 is a wasteful number, since it uses less digits than its factorization.

770944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 770944 is about 878.0341679001. The cubic root of 770944 is about 91.6940054361.

The spelling of 770944 in words is "seven hundred seventy thousand, nine hundred forty-four".