749845607 has 4 divisors (see below), whose sum is σ = 856966416. Its totient is φ = 642724800.

The previous prime is 749845601. The next prime is 749845619. The reversal of 749845607 is 706548947.

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-749845607 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 (749845601) 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 3 ways as a sum of consecutive naturals, for example, 53560394 + ... + 53560407.

It is an arithmetic number, because the mean of its divisors is an integer number (214241604).

Almost surely, 2^749845607 is an apocalyptic number.

749845607 is a deficient number, since it is larger than the sum of its proper divisors (107120809).

749845607 is a wasteful number, since it uses less digits than its factorization.

749845607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107120808.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The square root of 749845607 is about 27383.3089125474. The cubic root of 749845607 is about 908.4979475376.

The spelling of 749845607 in words is "seven hundred forty-nine million, eight hundred forty-five thousand, six hundred seven".