775304412 has 12 divisors (see below), whose sum is σ = 1809043656. Its totient is φ = 258434800.

The previous prime is 775304399. The next prime is 775304417. The reversal of 775304412 is 214403577.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775304417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32304339 + ... + 32304362.

It is an arithmetic number, because the mean of its divisors is an integer number (150753638).

Almost surely, 2^775304412 is an apocalyptic number.

It is an amenable number.

775304412 is an abundant number, since it is smaller than the sum of its proper divisors (1033739244).

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

775304412 is a wasteful number, since it uses less digits than its factorization.

775304412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64608708 (or 64608706 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 775304412 is about 27844.2886782909. The cubic root of 775304412 is about 918.6655242983.

Adding to 775304412 its reverse (214403577), we get a palindrome (989707989).

The spelling of 775304412 in words is "seven hundred seventy-five million, three hundred four thousand, four hundred twelve".