10640734 has 8 divisors (see below), whose sum is σ = 17188920. Its totient is φ = 4911096.

The previous prime is 10640731. The next prime is 10640761. The reversal of 10640734 is 43704601.

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

It is a super-2 number, since 2×10640734² = 226450440117512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10640699 and 10640708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10640731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204604 + ... + 204655.

It is an arithmetic number, because the mean of its divisors is an integer number (2148615).

Almost surely, 2^10640734 is an apocalyptic number.

10640734 is a deficient number, since it is larger than the sum of its proper divisors (6548186).

10640734 is a wasteful number, since it uses less digits than its factorization.

10640734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409274.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 10640734 is about 3262.0137951885. The cubic root of 10640734 is about 219.9499472909.

The spelling of 10640734 in words is "ten million, six hundred forty thousand, seven hundred thirty-four".