745216834 has 8 divisors (see below), whose sum is σ = 1119273660. Its totient is φ = 372125616.

The previous prime is 745216831. The next prime is 745216837. The reversal of 745216834 is 438612547.

It is an interprime number because it is at equal distance from previous prime (745216831) and next prime (745216837).

It can be written as a sum of positive squares in 2 ways, for example, as 745017025 + 199809 = 27295^2 + 447^2 .

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

It is not an unprimeable number, because it can be changed into a prime (745216831) 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, 239469 + ... + 242560.

Almost surely, 2^745216834 is an apocalyptic number.

745216834 is a deficient number, since it is larger than the sum of its proper divisors (374056826).

745216834 is a wasteful number, since it uses less digits than its factorization.

745216834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482804.

The product of its digits is 161280, while the sum is 40.

The square root of 745216834 is about 27298.6599304801. The cubic root of 745216834 is about 906.6247114801.

The spelling of 745216834 in words is "seven hundred forty-five million, two hundred sixteen thousand, eight hundred thirty-four".