745675425625 has 45 divisors (see below), whose sum is σ = 1009366103361. Its totient is φ = 550445376000.

The previous prime is 745675425613. The next prime is 745675425631. The reversal of 745675425625 is 526524576547.

It is a happy number.

The square root of 745675425625 is 863525.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 22 ways, for example, as 561425014089 + 184250411536 = 749283^2 + 429244^2 .

It is not a de Polignac number, because 745675425625 - 2¹⁹ = 745674901337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745675425625.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 280644297 + ... + 280646953.

Almost surely, 2^745675425625 is an apocalyptic number.

745675425625 is the 863525-th square number.

745675425625 is the 431763-rd centered octagonal number.

It is an amenable number.

745675425625 is a deficient number, since it is larger than the sum of its proper divisors (263690677736).

745675425625 is an frugal number, since it uses more digits than its factorization.

745675425625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360 (or 2675 counting only the distinct ones).

The product of its digits is 70560000, while the sum is 58.

The spelling of 745675425625 in words is "seven hundred forty-five billion, six hundred seventy-five million, four hundred twenty-five thousand, six hundred twenty-five".