7318672 has 20 divisors (see below), whose sum is σ = 14669820. Its totient is φ = 3532928.

The previous prime is 7318631. The next prime is 7318681. The reversal of 7318672 is 2768137.

It can be written as a sum of positive squares in 2 ways, for example, as 4064256 + 3254416 = 2016^2 + 1804^2 .

It is a super-3 number, since 3×7318672³ (a number of 22 digits) contains 333 as substring.

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, 7423 + ... + 8350.

It is an arithmetic number, because the mean of its divisors is an integer number (733491).

Almost surely, 2^7318672 is an apocalyptic number.

It is an amenable number.

7318672 is an abundant number, since it is smaller than the sum of its proper divisors (7351148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7318672 is a wasteful number, since it uses less digits than its factorization.

7318672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15810 (or 15804 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 7318672 is about 2705.3044190996. The cubic root of 7318672 is about 194.1529951221.

The spelling of 7318672 in words is "seven million, three hundred eighteen thousand, six hundred seventy-two".