780612 has 24 divisors (see below), whose sum is σ = 2081856. Its totient is φ = 223008.

The previous prime is 780601. The next prime is 780613. The reversal of 780612 is 216087.

780612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4563 + ... + 4730.

It is an arithmetic number, because the mean of its divisors is an integer number (86744).

2⁷⁸⁰⁶¹² is an apocalyptic number.

It is an amenable number.

780612 is an abundant number, since it is smaller than the sum of its proper divisors (1301244).

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

780612 is a wasteful number, since it uses less digits than its factorization.

780612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9307 (or 9305 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 780612 is about 883.5224954691. The cubic root of 780612 is about 92.0757095759.

Adding to 780612 its reverse (216087), we get a palindrome (996699).

The spelling of 780612 in words is "seven hundred eighty thousand, six hundred twelve".