745372273547 has 8 divisors (see below), whose sum is σ = 813195575280. Its totient is φ = 677559336160.

The previous prime is 745372273507. The next prime is 745372273553.

745372273547 is nontrivially palindromic in base 10.

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 745372273547 - 2¹² = 745372269451 is a prime.

It is a super-2 number, since 2×745372273547² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 745372273492 and 745372273501.

It is not an unprimeable number, because it can be changed into a prime (745372273507) 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, 2440328 + ... + 2728725.

It is an arithmetic number, because the mean of its divisors is an integer number (101649446910).

Almost surely, 2^745372273547 is an apocalyptic number.

745372273547 is a deficient number, since it is larger than the sum of its proper divisors (67823301733).

745372273547 is a wasteful number, since it uses less digits than its factorization.

745372273547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182173.

The product of its digits is 34574400, while the sum is 56.

The spelling of 745372273547 in words is "seven hundred forty-five billion, three hundred seventy-two million, two hundred seventy-three thousand, five hundred forty-seven".