7201979 has 2 divisors, whose sum is σ = 7201980. Its totient is φ = 7201978.

The previous prime is 7201973. The next prime is 7201981. The reversal of 7201979 is 9791027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7201979 - 2⁴ = 7201963 is a prime.

Together with 7201981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7201973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3600989 + 3600990.

It is an arithmetic number, because the mean of its divisors is an integer number (3600990).

Almost surely, 2^7201979 is an apocalyptic number.

7201979 is a deficient number, since it is larger than the sum of its proper divisors (1).

7201979 is an equidigital number, since it uses as much as digits as its factorization.

7201979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 7201979 is about 2683.6503125407. The cubic root of 7201979 is about 193.1155669995.

The spelling of 7201979 in words is "seven million, two hundred one thousand, nine hundred seventy-nine".