7363991 has 2 divisors, whose sum is σ = 7363992. Its totient is φ = 7363990.

The previous prime is 7363973. The next prime is 7363997. The reversal of 7363991 is 1993637.

It is a strong prime.

It is an emirp because it is prime and its reverse (1993637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7363991 - 2¹⁸ = 7101847 is a prime.

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7363997) by changing a digit.

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 as a sum of consecutive naturals, namely, 3681995 + 3681996.

It is an arithmetic number, because the mean of its divisors is an integer number (3681996).

Almost surely, 2^7363991 is an apocalyptic number.

7363991 is a deficient number, since it is larger than the sum of its proper divisors (1).

7363991 is an equidigital number, since it uses as much as digits as its factorization.

7363991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 38.

The square root of 7363991 is about 2713.6674446218. The cubic root of 7363991 is about 194.5529183290.

The spelling of 7363991 in words is "seven million, three hundred sixty-three thousand, nine hundred ninety-one".