10720278 has 12 divisors (see below), whose sum is σ = 23227308. Its totient is φ = 3573420.

The previous prime is 10720271. The next prime is 10720289. The reversal of 10720278 is 87202701.

It is a super-2 number, since 2×10720278² = 229848720794568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10720271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 297768 + ... + 297803.

It is an arithmetic number, because the mean of its divisors is an integer number (1935609).

Almost surely, 2^10720278 is an apocalyptic number.

10720278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10720278 is an abundant number, since it is smaller than the sum of its proper divisors (12507030).

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

10720278 is a wasteful number, since it uses less digits than its factorization.

10720278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595579 (or 595576 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 10720278 is about 3274.1835623557. The cubic root of 10720278 is about 220.4966602916.

Adding to 10720278 its reverse (87202701), we get a palindrome (97922979).

The spelling of 10720278 in words is "ten million, seven hundred twenty thousand, two hundred seventy-eight".