745945379 has 4 divisors (see below), whose sum is σ = 750257376. Its totient is φ = 741633384.

The previous prime is 745945357. The next prime is 745945391. The reversal of 745945379 is 973549547.

745945379 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 a de Polignac number, because none of the positive numbers 2^k-745945379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745945379.

It is not an unprimeable number, because it can be changed into a prime (745945399) 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, 2155739 + ... + 2156084.

It is an arithmetic number, because the mean of its divisors is an integer number (187564344).

Almost surely, 2^745945379 is an apocalyptic number.

745945379 is a deficient number, since it is larger than the sum of its proper divisors (4311997).

745945379 is a wasteful number, since it uses less digits than its factorization.

745945379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311996.

The product of its digits is 4762800, while the sum is 53.

The square root of 745945379 is about 27312.0006407440. Note that the first 3 decimals coincide. The cubic root of 745945379 is about 906.9200625513.

The spelling of 745945379 in words is "seven hundred forty-five million, nine hundred forty-five thousand, three hundred seventy-nine".