780036 has 12 divisors (see below), whose sum is σ = 1820112. Its totient is φ = 260008.

The previous prime is 780029. The next prime is 780037. The reversal of 780036 is 630087.

780036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×780036² = 1216912322592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 779988 and 780015.

It is not an unprimeable number, because it can be changed into a prime (780037) by changing a digit.

780036 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 3 ways as a sum of consecutive naturals, for example, 32490 + ... + 32513.

It is an arithmetic number, because the mean of its divisors is an integer number (151676).

2⁷⁸⁰⁰³⁶ is an apocalyptic number.

It is an amenable number.

780036 is an abundant number, since it is smaller than the sum of its proper divisors (1040076).

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

780036 is a wasteful number, since it uses less digits than its factorization.

780036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65010 (or 65008 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 780036 is about 883.1964673842. The cubic root of 780036 is about 92.0530569825.

The spelling of 780036 in words is "seven hundred eighty thousand, thirty-six".