740725 has 6 divisors (see below), whose sum is σ = 918530. Its totient is φ = 592560.

The previous prime is 740717. The next prime is 740737. The reversal of 740725 is 527047.

It can be written as a sum of positive squares in 3 ways, for example, as 161604 + 579121 = 402^2 + 761^2 .

It is not a de Polignac number, because 740725 - 2³ = 740717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 29629 = 740725 / (7 + 4 + 0 + 7 + 2 + 5).

740725 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 740725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14790 + ... + 14839.

2⁷⁴⁰⁷²⁵ is an apocalyptic number.

It is an amenable number.

740725 is a deficient number, since it is larger than the sum of its proper divisors (177805).

740725 is a wasteful number, since it uses less digits than its factorization.

740725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29639 (or 29634 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 740725 is about 860.6538212313. The cubic root of 740725 is about 90.4799463111.

The spelling of 740725 in words is "seven hundred forty thousand, seven hundred twenty-five".