662142742 has 8 divisors (see below), whose sum is σ = 1045488600. Its totient is φ = 313646544.

The previous prime is 662142683. The next prime is 662142749. The reversal of 662142742 is 247241266.

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

It is a junction number, because it is equal to n+sod(n) for n = 662142698 and 662142707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662142749) 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, 8712367 + ... + 8712442.

It is an arithmetic number, because the mean of its divisors is an integer number (130686075).

Almost surely, 2^662142742 is an apocalyptic number.

662142742 is a deficient number, since it is larger than the sum of its proper divisors (383345858).

662142742 is a wasteful number, since it uses less digits than its factorization.

662142742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17424830.

The product of its digits is 32256, while the sum is 34.

The square root of 662142742 is about 25732.1344237123. The cubic root of 662142742 is about 871.5999720516.

The spelling of 662142742 in words is "six hundred sixty-two million, one hundred forty-two thousand, seven hundred forty-two".