761111712 has 72 divisors (see below), whose sum is σ = 2175784884. Its totient is φ = 252370944.

The previous prime is 761111677. The next prime is 761111717. The reversal of 761111712 is 217111167.

It can be written as a sum of positive squares in 2 ways, for example, as 718025616 + 43086096 = 26796^2 + 6564^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (761111717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48738 + ... + 62430.

Almost surely, 2^761111712 is an apocalyptic number.

761111712 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 761111712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1087892442).

761111712 is an abundant number, since it is smaller than the sum of its proper divisors (1414673172).

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

761111712 is a wasteful number, since it uses less digits than its factorization.

761111712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13902 (or 13891 counting only the distinct ones).

The product of its digits is 588, while the sum is 27.

The square root of 761111712 is about 27588.2531523835. The cubic root of 761111712 is about 913.0252781513.

Adding to 761111712 its reverse (217111167), we get a palindrome (978222879).

The spelling of 761111712 in words is "seven hundred sixty-one million, one hundred eleven thousand, seven hundred twelve".