10530378 has 32 divisors (see below), whose sum is σ = 24779520. Its totient is φ = 3303360.

The previous prime is 10530367. The next prime is 10530419. The reversal of 10530378 is 87303501.

It is a super-2 number, since 2×10530378² = 221777721645768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4818 + ... + 6653.

It is an arithmetic number, because the mean of its divisors is an integer number (774360).

Almost surely, 2^10530378 is an apocalyptic number.

10530378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10530378 is an abundant number, since it is smaller than the sum of its proper divisors (14249142).

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

10530378 is a wasteful number, since it uses less digits than its factorization.

10530378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11499 (or 11493 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 10530378 is about 3245.0543909155. The cubic root of 10530378 is about 219.1869299087.

Adding to 10530378 its reverse (87303501), we get a palindrome (97833879).

The spelling of 10530378 in words is "ten million, five hundred thirty thousand, three hundred seventy-eight".