745979111 has 4 divisors (see below), whose sum is σ = 751424352. Its totient is φ = 740533872.

The previous prime is 745979041. The next prime is 745979119. The reversal of 745979111 is 111979547.

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 745979111 - 2¹⁰ = 745978087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745979119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2722415 + ... + 2722688.

It is an arithmetic number, because the mean of its divisors is an integer number (187856088).

Almost surely, 2^745979111 is an apocalyptic number.

745979111 is a deficient number, since it is larger than the sum of its proper divisors (5445241).

745979111 is a wasteful number, since it uses less digits than its factorization.

745979111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5445240.

The product of its digits is 79380, while the sum is 44.

The square root of 745979111 is about 27312.6181645041. The cubic root of 745979111 is about 906.9337327955.

The spelling of 745979111 in words is "seven hundred forty-five million, nine hundred seventy-nine thousand, one hundred eleven".