10685740 has 48 divisors (see below), whose sum is σ = 24540768. Its totient is φ = 3884544.

The previous prime is 10685737. The next prime is 10685743. The reversal of 10685740 is 4758601.

It is an interprime number because it is at equal distance from previous prime (10685737) and next prime (10685743).

It is a super-2 number, since 2×10685740² = 228370078695200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10685743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18699 + ... + 19261.

It is an arithmetic number, because the mean of its divisors is an integer number (511266).

Almost surely, 2^10685740 is an apocalyptic number.

10685740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10685740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12270384).

10685740 is an abundant number, since it is smaller than the sum of its proper divisors (13855028).

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

10685740 is a wasteful number, since it uses less digits than its factorization.

10685740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 10685740 is about 3268.9050154448. The cubic root of 10685740 is about 220.2596108812.

The spelling of 10685740 in words is "ten million, six hundred eighty-five thousand, seven hundred forty".