745725 has 24 divisors (see below), whose sum is σ = 1260832. Its totient is φ = 388800.

The previous prime is 745711. The next prime is 745727. The reversal of 745725 is 527547.

It is not a de Polignac number, because 745725 - 2⁴ = 745709 is a prime.

It is a super-2 number, since 2×745725² = 1112211551250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745692 and 745701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745727) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4494 + ... + 4656.

2⁷⁴⁵⁷²⁵ is an apocalyptic number.

745725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

745725 is a deficient number, since it is larger than the sum of its proper divisors (515107).

745725 is a wasteful number, since it uses less digits than its factorization.

745725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 232 counting only the distinct ones).

The product of its digits is 9800, while the sum is 30.

The square root of 745725 is about 863.5537041783. The cubic root of 745725 is about 90.6830741524.

The spelling of 745725 in words is "seven hundred forty-five thousand, seven hundred twenty-five".