7328491 has 2 divisors, whose sum is σ = 7328492. Its totient is φ = 7328490.

The previous prime is 7328473. The next prime is 7328501. The reversal of 7328491 is 1948237.

It is a strong prime.

It is an emirp because it is prime and its reverse (1948237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7328491 - 2¹⁵ = 7295723 is a prime.

It is not a weakly prime, because it can be changed into another prime (7328401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3664245 + 3664246.

It is an arithmetic number, because the mean of its divisors is an integer number (3664246).

Almost surely, 2^7328491 is an apocalyptic number.

7328491 is a deficient number, since it is larger than the sum of its proper divisors (1).

7328491 is an equidigital number, since it uses as much as digits as its factorization.

7328491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 7328491 is about 2707.1185788583. The cubic root of 7328491 is about 194.2397839245.

The spelling of 7328491 in words is "seven million, three hundred twenty-eight thousand, four hundred ninety-one".