7387969 has 2 divisors, whose sum is σ = 7387970. Its totient is φ = 7387968.

The previous prime is 7387967. The next prime is 7387973. The reversal of 7387969 is 9697837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7290000 + 97969 = 2700^2 + 313^2 .

It is a cyclic number.

It is not a de Polignac number, because 7387969 - 2¹ = 7387967 is a prime.

It is a super-2 number, since 2×7387969² = 109164171889922, which contains 22 as substring.

Together with 7387967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7387967) 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, 3693984 + 3693985.

It is an arithmetic number, because the mean of its divisors is an integer number (3693985).

Almost surely, 2^7387969 is an apocalyptic number.

It is an amenable number.

7387969 is a deficient number, since it is larger than the sum of its proper divisors (1).

7387969 is an equidigital number, since it uses as much as digits as its factorization.

7387969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 49.

The square root of 7387969 is about 2718.0818604303. The cubic root of 7387969 is about 194.7638517648.

The spelling of 7387969 in words is "seven million, three hundred eighty-seven thousand, nine hundred sixty-nine".