745475279 has 8 divisors (see below), whose sum is σ = 830870640. Its totient is φ = 664695936.

The previous prime is 745475273. The next prime is 745475329. The reversal of 745475279 is 972574547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 745475279 - 2⁸ = 745475023 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 (745475273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153664 + ... + 1154309.

It is an arithmetic number, because the mean of its divisors is an integer number (103858830).

Almost surely, 2^745475279 is an apocalyptic number.

745475279 is a deficient number, since it is larger than the sum of its proper divisors (85395361).

745475279 is a wasteful number, since it uses less digits than its factorization.

745475279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308009.

The product of its digits is 2469600, while the sum is 50.

The square root of 745475279 is about 27303.3931774056. The cubic root of 745475279 is about 906.7295067250.

The spelling of 745475279 in words is "seven hundred forty-five million, four hundred seventy-five thousand, two hundred seventy-nine".