10062721 has 4 divisors (see below), whose sum is σ = 10073812. Its totient is φ = 10051632.

The previous prime is 10062709. The next prime is 10062737. The reversal of 10062721 is 12726001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7049025 + 3013696 = 2655^2 + 1736^2 .

It is a cyclic number.

It is not a de Polignac number, because 10062721 - 2¹⁹ = 9538433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10062751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4050 + ... + 6043.

It is an arithmetic number, because the mean of its divisors is an integer number (2518453).

Almost surely, 2^10062721 is an apocalyptic number.

It is an amenable number.

10062721 is a deficient number, since it is larger than the sum of its proper divisors (11091).

10062721 is an equidigital number, since it uses as much as digits as its factorization.

10062721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11090.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 10062721 is about 3172.1792194011. The cubic root of 10062721 is about 215.8929582225.

Adding to 10062721 its reverse (12726001), we get a palindrome (22788722).

The spelling of 10062721 in words is "ten million, sixty-two thousand, seven hundred twenty-one".