10640763 has 12 divisors (see below), whose sum is σ = 17565808. Its totient is φ = 6080400.

The previous prime is 10640761. The next prime is 10640783. The reversal of 10640763 is 36704601.

10640763 is a `hidden beast` number, since 10 + 640 + 7 + 6 + 3 = 666.

It is not a de Polignac number, because 10640763 - 2¹ = 10640761 is a prime.

It is a super-4 number, since 4×10640763⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10640761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84388 + ... + 84513.

Almost surely, 2^10640763 is an apocalyptic number.

10640763 is a deficient number, since it is larger than the sum of its proper divisors (6925045).

10640763 is a wasteful number, since it uses less digits than its factorization.

10640763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168914 (or 168911 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 10640763 is about 3262.0182402924. The cubic root of 10640763 is about 219.9501471062.

The spelling of 10640763 in words is "ten million, six hundred forty thousand, seven hundred sixty-three".