7449979 has 2 divisors, whose sum is σ = 7449980. Its totient is φ = 7449978.

The previous prime is 7449973. The next prime is 7450007. The reversal of 7449979 is 9799447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7449979 - 2³ = 7449971 is a prime.

It is not a weakly prime, because it can be changed into another prime (7449971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3724989 + 3724990.

It is an arithmetic number, because the mean of its divisors is an integer number (3724990).

Almost surely, 2^7449979 is an apocalyptic number.

7449979 is a deficient number, since it is larger than the sum of its proper divisors (1).

7449979 is an equidigital number, since it uses as much as digits as its factorization.

7449979 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 7449979 is about 2729.4649658862. The cubic root of 7449979 is about 195.3072430244.

The spelling of 7449979 in words is "seven million, four hundred forty-nine thousand, nine hundred seventy-nine".