10717540 has 36 divisors (see below), whose sum is σ = 23551164. Its totient is φ = 4096576.

The previous prime is 10717529. The next prime is 10717561. The reversal of 10717540 is 4571701.

10717540 = T₅₆ + T₅₇ + ... + T₄₀₀.

It can be written as a sum of positive squares in 2 ways, for example, as 1218816 + 9498724 = 1104^2 + 3082^2 .

It is a super-2 number, since 2×10717540² = 229731327303200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10074 + ... + 11086.

It is an arithmetic number, because the mean of its divisors is an integer number (654199).

Almost surely, 2^10717540 is an apocalyptic number.

10717540 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 10717540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11775582).

10717540 is an abundant number, since it is smaller than the sum of its proper divisors (12833624).

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

10717540 is a wasteful number, since it uses less digits than its factorization.

10717540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 10717540 is about 3273.7654161531. The cubic root of 10717540 is about 220.4778867964.

The spelling of 10717540 in words is "ten million, seven hundred seventeen thousand, five hundred forty".