746979923 has 2 divisors, whose sum is σ = 746979924. Its totient is φ = 746979922.

The previous prime is 746979907. The next prime is 746979929. The reversal of 746979923 is 329979647.

It is a strong prime.

It is an emirp because it is prime and its reverse (329979647) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 746979923 - 2⁴ = 746979907 is a prime.

It is not a weakly prime, because it can be changed into another prime (746979929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373489961 + 373489962.

It is an arithmetic number, because the mean of its divisors is an integer number (373489962).

Almost surely, 2^746979923 is an apocalyptic number.

746979923 is a deficient number, since it is larger than the sum of its proper divisors (1).

746979923 is an equidigital number, since it uses as much as digits as its factorization.

746979923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5143824, while the sum is 56.

The square root of 746979923 is about 27330.9334454570. The cubic root of 746979923 is about 907.3391349215.

The spelling of 746979923 in words is "seven hundred forty-six million, nine hundred seventy-nine thousand, nine hundred twenty-three".