7042726 has 8 divisors (see below), whose sum is σ = 11185560. Its totient is φ = 3314208.

The previous prime is 7042723. The next prime is 7042727. The reversal of 7042726 is 6272407.

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

It is a super-2 number, since 2×7042726² = 99199979022152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7042694 and 7042703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042723) 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, 103536 + ... + 103603.

It is an arithmetic number, because the mean of its divisors is an integer number (1398195).

Almost surely, 2^7042726 is an apocalyptic number.

7042726 is a deficient number, since it is larger than the sum of its proper divisors (4142834).

7042726 is a wasteful number, since it uses less digits than its factorization.

7042726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207158.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 7042726 is about 2653.8134825191. The cubic root of 7042726 is about 191.6815286102.

The spelling of 7042726 in words is "seven million, forty-two thousand, seven hundred twenty-six".