745343547 has 8 divisors (see below), whose sum is σ = 1070236944. Its totient is φ = 458672928.

The previous prime is 745343449. The next prime is 745343579.

745343547 is nontrivially palindromic in base 10.

745343547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 745343547 - 2¹⁹ = 744819259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 745343499 and 745343508.

It is not an unprimeable number, because it can be changed into a prime (745348547) 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, 9555648 + ... + 9555725.

It is an arithmetic number, because the mean of its divisors is an integer number (133779618).

Almost surely, 2^745343547 is an apocalyptic number.

745343547 is a deficient number, since it is larger than the sum of its proper divisors (324893397).

745343547 is a wasteful number, since it uses less digits than its factorization.

745343547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19111389.

The product of its digits is 705600, while the sum is 42.

The square root of 745343547 is about 27300.9806966710. The cubic root of 745343547 is about 906.6760945681.

The spelling of 745343547 in words is "seven hundred forty-five million, three hundred forty-three thousand, five hundred forty-seven".