10780421 has 8 divisors (see below), whose sum is σ = 11117760. Its totient is φ = 10448352.

The previous prime is 10780403. The next prime is 10780433. The reversal of 10780421 is 12408701.

10780421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10780421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10780321) 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, 3056 + ... + 5558.

It is an arithmetic number, because the mean of its divisors is an integer number (1389720).

Almost surely, 2^10780421 is an apocalyptic number.

It is an amenable number.

10780421 is a deficient number, since it is larger than the sum of its proper divisors (337339).

10780421 is an equidigital number, since it uses as much as digits as its factorization.

10780421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 10780421 is about 3283.3551437516. The cubic root of 10780421 is about 220.9082356890.

The spelling of 10780421 in words is "ten million, seven hundred eighty thousand, four hundred twenty-one".