740007979 has 2 divisors, whose sum is σ = 740007980. Its totient is φ = 740007978.

The previous prime is 740007949. The next prime is 740008001. The reversal of 740007979 is 979700047.

It is a strong prime.

It is an emirp because it is prime and its reverse (979700047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 740007979 - 2¹³ = 739999787 is a prime.

It is a super-2 number, since 2×740007979² = 1095223617967328882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (740007949) 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, 370003989 + 370003990.

It is an arithmetic number, because the mean of its divisors is an integer number (370003990).

Almost surely, 2^740007979 is an apocalyptic number.

740007979 is a deficient number, since it is larger than the sum of its proper divisors (1).

740007979 is an equidigital number, since it uses as much as digits as its factorization.

740007979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 740007979 is about 27203.0876740123. The cubic root of 740007979 is about 904.5074205577.

The spelling of 740007979 in words is "seven hundred forty million, seven thousand, nine hundred seventy-nine".