10272780 has 144 divisors (see below), whose sum is σ = 36900864. Its totient is φ = 2263680.

The previous prime is 10272767. The next prime is 10272803. The reversal of 10272780 is 8727201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38929 + ... + 39191.

It is an arithmetic number, because the mean of its divisors is an integer number (256256).

Almost surely, 2^10272780 is an apocalyptic number.

10272780 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 10272780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18450432).

10272780 is an abundant number, since it is smaller than the sum of its proper divisors (26628084).

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

10272780 is a wasteful number, since it uses less digits than its factorization.

10272780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 311 counting only the distinct ones).

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

The square root of 10272780 is about 3205.1177825472. The cubic root of 10272780 is about 217.3848776419.

Adding to 10272780 its reverse (8727201), we get a palindrome (18999981).

The spelling of 10272780 in words is "ten million, two hundred seventy-two thousand, seven hundred eighty".