7297872 has 20 divisors (see below), whose sum is σ = 18852960. Its totient is φ = 2432608.

The previous prime is 7297867. The next prime is 7297889. The reversal of 7297872 is 2787927.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75972 + ... + 76067.

It is an arithmetic number, because the mean of its divisors is an integer number (942648).

Almost surely, 2^7297872 is an apocalyptic number.

It is an amenable number.

7297872 is an abundant number, since it is smaller than the sum of its proper divisors (11555088).

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

7297872 is a wasteful number, since it uses less digits than its factorization.

7297872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152050 (or 152044 counting only the distinct ones).

The product of its digits is 98784, while the sum is 42.

The square root of 7297872 is about 2701.4573844501. The cubic root of 7297872 is about 193.9688900410.

The spelling of 7297872 in words is "seven million, two hundred ninety-seven thousand, eight hundred seventy-two".