771064 has 32 divisors (see below), whose sum is σ = 1692000. Its totient is φ = 329280.

The previous prime is 771049. The next prime is 771073. The reversal of 771064 is 460177.

It is a congruent number.

It is an unprimeable number.

771064 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 7 ways as a sum of consecutive naturals, for example, 2604 + ... + 2884.

It is an arithmetic number, because the mean of its divisors is an integer number (52875).

2⁷⁷¹⁰⁶⁴ 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 771064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846000).

771064 is an abundant number, since it is smaller than the sum of its proper divisors (920936).

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

771064 is a wasteful number, since it uses less digits than its factorization.

771064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 771064 is about 878.1024997117. The cubic root of 771064 is about 91.6987626817.

The spelling of 771064 in words is "seven hundred seventy-one thousand, sixty-four".