749340979 has 2 divisors, whose sum is σ = 749340980. Its totient is φ = 749340978.

The previous prime is 749340971. The next prime is 749340997. The reversal of 749340979 is 979043947.

Together with next prime (749340997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 749340979 - 2³ = 749340971 is a prime.

It is not a weakly prime, because it can be changed into another prime (749340971) 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, 374670489 + 374670490.

It is an arithmetic number, because the mean of its divisors is an integer number (374670490).

Almost surely, 2^749340979 is an apocalyptic number.

749340979 is a deficient number, since it is larger than the sum of its proper divisors (1).

749340979 is an equidigital number, since it uses as much as digits as its factorization.

749340979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The square root of 749340979 is about 27374.0932087257. The cubic root of 749340979 is about 908.2941027376.

The spelling of 749340979 in words is "seven hundred forty-nine million, three hundred forty thousand, nine hundred seventy-nine".