7487923 has 2 divisors, whose sum is σ = 7487924. Its totient is φ = 7487922.

The previous prime is 7487917. The next prime is 7487927. The reversal of 7487923 is 3297847.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7487923 is a prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (7487927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3743961 + 3743962.

It is an arithmetic number, because the mean of its divisors is an integer number (3743962).

Almost surely, 2^7487923 is an apocalyptic number.

7487923 is a deficient number, since it is larger than the sum of its proper divisors (1).

7487923 is an equidigital number, since it uses as much as digits as its factorization.

7487923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 7487923 is about 2736.4069507294. The cubic root of 7487923 is about 195.6382592652.

The spelling of 7487923 in words is "seven million, four hundred eighty-seven thousand, nine hundred twenty-three".