7197872 has 20 divisors (see below), whose sum is σ = 15214056. Its totient is φ = 3271680.

The previous prime is 7197863. The next prime is 7197881. The reversal of 7197872 is 2787917.

It is an interprime number because it is at equal distance from previous prime (7197863) and next prime (7197881).

It is a super-2 number, since 2×7197872² = 103618722656768, which contains 22 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, 20273 + ... + 20624.

Almost surely, 2^7197872 is an apocalyptic number.

It is an amenable number.

7197872 is an abundant number, since it is smaller than the sum of its proper divisors (8016184).

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

7197872 is a wasteful number, since it uses less digits than its factorization.

7197872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40916 (or 40910 counting only the distinct ones).

The product of its digits is 49392, while the sum is 41.

The square root of 7197872 is about 2682.8850143083. The cubic root of 7197872 is about 193.0788513299.

The spelling of 7197872 in words is "seven million, one hundred ninety-seven thousand, eight hundred seventy-two".