7072318 has 8 divisors (see below), whose sum is σ = 11572920. Its totient is φ = 3214680.

The previous prime is 7072277. The next prime is 7072321. The reversal of 7072318 is 8132707.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160713 + ... + 160756.

It is an arithmetic number, because the mean of its divisors is an integer number (1446615).

Almost surely, 2^7072318 is an apocalyptic number.

7072318 is the 1422-nd centered heptagonal number.

7072318 is a deficient number, since it is larger than the sum of its proper divisors (4500602).

7072318 is a wasteful number, since it uses less digits than its factorization.

7072318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321482.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 7072318 is about 2659.3830111513. The cubic root of 7072318 is about 191.9496214757.

It can be divided in two parts, 707 and 2318, that added together give a square (3025 = 55²).

The spelling of 7072318 in words is "seven million, seventy-two thousand, three hundred eighteen".