748909979 has 2 divisors, whose sum is σ = 748909980. Its totient is φ = 748909978.

The previous prime is 748909963. The next prime is 748910003. The reversal of 748909979 is 979909847.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 748909979 - 2⁴ = 748909963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (748909379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374454989 + 374454990.

It is an arithmetic number, because the mean of its divisors is an integer number (374454990).

Almost surely, 2^748909979 is an apocalyptic number.

748909979 is a deficient number, since it is larger than the sum of its proper divisors (1).

748909979 is an equidigital number, since it uses as much as digits as its factorization.

748909979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648, while the sum is 62.

The square root of 748909979 is about 27366.2196695123. The cubic root of 748909979 is about 908.1199275408.

The spelling of 748909979 in words is "seven hundred forty-eight million, nine hundred nine thousand, nine hundred seventy-nine".