745828547 has 4 divisors (see below), whose sum is σ = 751194360. Its totient is φ = 740462736.

The previous prime is 745828511. The next prime is 745828549.

745828547 is nontrivially palindromic in base 10.

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-745828547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745828495 and 745828504.

It is not an unprimeable number, because it can be changed into a prime (745828549) 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, 2682698 + ... + 2682975.

It is an arithmetic number, because the mean of its divisors is an integer number (187798590).

Almost surely, 2^745828547 is an apocalyptic number.

745828547 is a deficient number, since it is larger than the sum of its proper divisors (5365813).

745828547 is a wasteful number, since it uses less digits than its factorization.

745828547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365812.

The product of its digits is 2508800, while the sum is 50.

The square root of 745828547 is about 27309.8617169696. The cubic root of 745828547 is about 906.8727119812.

The spelling of 745828547 in words is "seven hundred forty-five million, eight hundred twenty-eight thousand, five hundred forty-seven".