787040 has 24 divisors (see below), whose sum is σ = 1859760. Its totient is φ = 314752.

The previous prime is 787021. The next prime is 787043. The reversal of 787040 is 40787.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 787040.

It is not an unprimeable number, because it can be changed into a prime (787043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300 + ... + 2619.

It is an arithmetic number, because the mean of its divisors is an integer number (77490).

2⁷⁸⁷⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

787040 is an abundant number, since it is smaller than the sum of its proper divisors (1072720).

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

787040 is a wasteful number, since it uses less digits than its factorization.

787040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934 (or 4926 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 787040 is about 887.1527489672. The cubic root of 787040 is about 92.3277534746.

The spelling of 787040 in words is "seven hundred eighty-seven thousand, forty".