10720340 has 12 divisors (see below), whose sum is σ = 22512756. Its totient is φ = 4288128.

The previous prime is 10720337. The next prime is 10720357. The reversal of 10720340 is 4302701.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5827396 + 4892944 = 2414^2 + 2212^2 .

It is a super-2 number, since 2×10720340² = 229851379431200, 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 3 ways as a sum of consecutive naturals, for example, 267989 + ... + 268028.

It is an arithmetic number, because the mean of its divisors is an integer number (1876063).

Almost surely, 2^10720340 is an apocalyptic number.

10720340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10720340 is an abundant number, since it is smaller than the sum of its proper divisors (11792416).

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

10720340 is a wasteful number, since it uses less digits than its factorization.

10720340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536026 (or 536024 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 10720340 is about 3274.1930303511. The cubic root of 10720340 is about 220.4970853666.

The spelling of 10720340 in words is "ten million, seven hundred twenty thousand, three hundred forty".