745443979 has 4 divisors (see below), whose sum is σ = 851935984. Its totient is φ = 638951976.

The previous prime is 745443977. The next prime is 745443991. The reversal of 745443979 is 979344547.

745443979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 745443979 - 2¹ = 745443977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745443977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53245992 + ... + 53246005.

It is an arithmetic number, because the mean of its divisors is an integer number (212983996).

Almost surely, 2^745443979 is an apocalyptic number.

745443979 is a deficient number, since it is larger than the sum of its proper divisors (106492005).

745443979 is a wasteful number, since it uses less digits than its factorization.

745443979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106492004.

The product of its digits is 3810240, while the sum is 52.

The square root of 745443979 is about 27302.8199825586. The cubic root of 745443979 is about 906.7168163731.

The spelling of 745443979 in words is "seven hundred forty-five million, four hundred forty-three thousand, nine hundred seventy-nine".