10640774 has 4 divisors (see below), whose sum is σ = 15961164. Its totient is φ = 5320386.

The previous prime is 10640761. The next prime is 10640783. The reversal of 10640774 is 47704601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×10640774² = 226452142638152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660192 + ... + 2660195.

It is an arithmetic number, because the mean of its divisors is an integer number (3990291).

Almost surely, 2^10640774 is an apocalyptic number.

10640774 is a deficient number, since it is larger than the sum of its proper divisors (5320390).

10640774 is an equidigital number, since it uses as much as digits as its factorization.

10640774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320389.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 10640774 is about 3262.0199263646. The cubic root of 10640774 is about 219.9502228981.

The spelling of 10640774 in words is "ten million, six hundred forty thousand, seven hundred seventy-four".