10640677 has 4 divisors (see below), whose sum is σ = 10648000. Its totient is φ = 10633356.

The previous prime is 10640671. The next prime is 10640687. The reversal of 10640677 is 77604601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 77604601 = 7639 ⋅10159.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10640677 is a prime.

It is a super-2 number, since 2×10640677² = 226448014036658, 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 (10640671) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 663 + ... + 4660.

It is an arithmetic number, because the mean of its divisors is an integer number (2662000).

Almost surely, 2^10640677 is an apocalyptic number.

It is an amenable number.

10640677 is a deficient number, since it is larger than the sum of its proper divisors (7323).

10640677 is an equidigital number, since it uses as much as digits as its factorization.

10640677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7322.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 10640677 is about 3262.0050582426. The cubic root of 10640677 is about 219.9495545496.

The spelling of 10640677 in words is "ten million, six hundred forty thousand, six hundred seventy-seven".