10056781 has 8 divisors (see below), whose sum is σ = 11545920. Its totient is φ = 8580768.

The previous prime is 10056769. The next prime is 10056793. The reversal of 10056781 is 18765001.

It is a happy number.

10056781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10056769) and next prime (10056793).

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

It is not a de Polignac number, because 10056781 - 2¹⁷ = 9925709 is a prime.

It is a super-2 number, since 2×10056781² = 202277688163922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10056701) 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, 1576 + ... + 4753.

It is an arithmetic number, because the mean of its divisors is an integer number (1443240).

Almost surely, 2^10056781 is an apocalyptic number.

It is an amenable number.

10056781 is a deficient number, since it is larger than the sum of its proper divisors (1489139).

10056781 is an equidigital number, since it uses as much as digits as its factorization.

10056781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6563.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 10056781 is about 3171.2428163103. The cubic root of 10056781 is about 215.8504694964.

The spelling of 10056781 in words is "ten million, fifty-six thousand, seven hundred eighty-one".