10785420 has 48 divisors (see below), whose sum is σ = 33556320. Its totient is φ = 2875968.

The previous prime is 10785409. The next prime is 10785421. The reversal of 10785420 is 2458701.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10785421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9447 + ... + 10526.

It is an arithmetic number, because the mean of its divisors is an integer number (699090).

Almost surely, 2^10785420 is an apocalyptic number.

10785420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10785420 is an abundant number, since it is smaller than the sum of its proper divisors (22770900).

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

10785420 is a wasteful number, since it uses less digits than its factorization.

10785420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19991 (or 19983 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 10785420 is about 3284.1163194991. The cubic root of 10785420 is about 220.9423762734.

The spelling of 10785420 in words is "ten million, seven hundred eighty-five thousand, four hundred twenty".