745338825 has 108 divisors (see below), whose sum is σ = 1677434304. Its totient is φ = 309672000.

The previous prime is 745338793. The next prime is 745338829. The reversal of 745338825 is 528833547.

It is not a de Polignac number, because 745338825 - 2⁵ = 745338793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (745338829) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 188620 + ... + 192530.

Almost surely, 2^745338825 is an apocalyptic number.

745338825 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

745338825 is an abundant number, since it is smaller than the sum of its proper divisors (932095479).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745338825 is a wasteful number, since it uses less digits than its factorization.

745338825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956 (or 3937 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 745338825 is about 27300.8942161241. The cubic root of 745338825 is about 906.6741798655.

The spelling of 745338825 in words is "seven hundred forty-five million, three hundred thirty-eight thousand, eight hundred twenty-five".