7126642 has 8 divisors (see below), whose sum is σ = 11154816. Its totient is φ = 3408372.

The previous prime is 7126633. The next prime is 7126649. The reversal of 7126642 is 2466217.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7126642.

It is not an unprimeable number, because it can be changed into a prime (7126649) 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, 77418 + ... + 77509.

It is an arithmetic number, because the mean of its divisors is an integer number (1394352).

Almost surely, 2^7126642 is an apocalyptic number.

7126642 is a deficient number, since it is larger than the sum of its proper divisors (4028174).

7126642 is a wasteful number, since it uses less digits than its factorization.

7126642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154952.

The product of its digits is 4032, while the sum is 28.

The square root of 7126642 is about 2669.5771200698. The cubic root of 7126642 is about 192.4398372737.

The spelling of 7126642 in words is "seven million, one hundred twenty-six thousand, six hundred forty-two".