7872937 has 2 divisors, whose sum is σ = 7872938. Its totient is φ = 7872936.

The previous prime is 7872929. The next prime is 7872947. The reversal of 7872937 is 7392787.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4247721 + 3625216 = 2061^2 + 1904^2 .

It is a cyclic number.

It is not a de Polignac number, because 7872937 - 2³ = 7872929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7872893 and 7872902.

It is not a weakly prime, because it can be changed into another prime (7872947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3936468 + 3936469.

It is an arithmetic number, because the mean of its divisors is an integer number (3936469).

Almost surely, 2^7872937 is an apocalyptic number.

It is an amenable number.

7872937 is a deficient number, since it is larger than the sum of its proper divisors (1).

7872937 is an equidigital number, since it uses as much as digits as its factorization.

7872937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 43.

The square root of 7872937 is about 2805.8754427095. The cubic root of 7872937 is about 198.9354857664.

The spelling of 7872937 in words is "seven million, eight hundred seventy-two thousand, nine hundred thirty-seven".