745669109 has 8 divisors (see below), whose sum is σ = 753477120. Its totient is φ = 737878896.

The previous prime is 745669097. The next prime is 745669123. The reversal of 745669109 is 901966547.

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 745669109 - 2⁸ = 745668853 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 (745669129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90104 + ... + 98030.

It is an arithmetic number, because the mean of its divisors is an integer number (94184640).

Almost surely, 2^745669109 is an apocalyptic number.

It is an amenable number.

745669109 is a deficient number, since it is larger than the sum of its proper divisors (7808011).

745669109 is a wasteful number, since it uses less digits than its factorization.

745669109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8899.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 745669109 is about 27306.9425055241. The cubic root of 745669109 is about 906.8080857448.

The spelling of 745669109 in words is "seven hundred forty-five million, six hundred sixty-nine thousand, one hundred nine".