771012 has 72 divisors (see below), whose sum is σ = 2234400. Its totient is φ = 229680.

The previous prime is 771011. The next prime is 771013. The reversal of 771012 is 210177.

771012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (771011) and next prime (771013).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (771011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13039 + ... + 13097.

2⁷⁷¹⁰¹² 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 771012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117200).

771012 is an abundant number, since it is smaller than the sum of its proper divisors (1463388).

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

771012 is a wasteful number, since it uses less digits than its factorization.

771012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 771012 is about 878.0728899129. The cubic root of 771012 is about 91.6967012692.

Adding to 771012 its reverse (210177), we get a palindrome (981189).

It can be divided in two parts, 77 and 1012, that added together give a square (1089 = 33²).

The spelling of 771012 in words is "seven hundred seventy-one thousand, twelve", and thus it is an iban number.