10021742 has 8 divisors (see below), whose sum is σ = 15517632. Its totient is φ = 4849200.

The previous prime is 10021741. The next prime is 10021747. The reversal of 10021742 is 24712001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10021742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021741) 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, 80759 + ... + 80882.

It is an arithmetic number, because the mean of its divisors is an integer number (1939704).

Almost surely, 2^10021742 is an apocalyptic number.

10021742 is a deficient number, since it is larger than the sum of its proper divisors (5495890).

10021742 is a wasteful number, since it uses less digits than its factorization.

10021742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161674.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 10021742 is about 3165.7135056729. The cubic root of 10021742 is about 215.5994950439.

Adding to 10021742 its reverse (24712001), we get a palindrome (34733743).

It can be divided in two parts, 1002 and 1742, that added together give a cube (2744 = 14³).

The spelling of 10021742 in words is "ten million, twenty-one thousand, seven hundred forty-two".