10072730 has 16 divisors (see below), whose sum is σ = 18312264. Its totient is φ = 3988800.

The previous prime is 10072729. The next prime is 10072817. The reversal of 10072730 is 3727001.

10072730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8649481 + 1423249 = 2941^2 + 1193^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3977 + ... + 5996.

Almost surely, 2^10072730 is an apocalyptic number.

10072730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10072730 is a deficient number, since it is larger than the sum of its proper divisors (8239534).

10072730 is a wasteful number, since it uses less digits than its factorization.

10072730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10081.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 10072730 is about 3173.7564493830. The cubic root of 10072730 is about 215.9645146325.

Adding to 10072730 its reverse (3727001), we get a palindrome (13799731).

The spelling of 10072730 in words is "ten million, seventy-two thousand, seven hundred thirty".