10717640 has 16 divisors (see below), whose sum is σ = 24114780. Its totient is φ = 4287040.

The previous prime is 10717631. The next prime is 10717673. The reversal of 10717640 is 4671701.

It can be written as a sum of positive squares in 2 ways, for example, as 9012004 + 1705636 = 3002^2 + 1306^2 .

It is a super-3 number, since 3×10717640³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133931 + ... + 134010.

Almost surely, 2^10717640 is an apocalyptic number.

10717640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10717640 is an abundant number, since it is smaller than the sum of its proper divisors (13397140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10717640 is a wasteful number, since it uses less digits than its factorization.

10717640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267952 (or 267948 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 10717640 is about 3273.7806890505. The cubic root of 10717640 is about 220.4785725172.

The spelling of 10717640 in words is "ten million, seven hundred seventeen thousand, six hundred forty".