7067722 has 4 divisors (see below), whose sum is σ = 10601586. Its totient is φ = 3533860.

The previous prime is 7067713. The next prime is 7067729. The reversal of 7067722 is 2277607.

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

It can be written as a sum of positive squares in only one way, i.e., 6295081 + 772641 = 2509^2 + 879^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7067729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1766929 + ... + 1766932.

Almost surely, 2^7067722 is an apocalyptic number.

7067722 is a deficient number, since it is larger than the sum of its proper divisors (3533864).

7067722 is a wasteful number, since it uses less digits than its factorization.

7067722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3533863.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 7067722 is about 2658.5187605131. The cubic root of 7067722 is about 191.9080324884.

The spelling of 7067722 in words is "seven million, sixty-seven thousand, seven hundred twenty-two".