740825 has 6 divisors (see below), whose sum is σ = 918654. Its totient is φ = 592640.

The previous prime is 740801. The next prime is 740849. The reversal of 740825 is 528047.

740825 = 60² + 61² + ... + 134².

It is an interprime number because it is at equal distance from previous prime (740801) and next prime (740849).

It can be written as a sum of positive squares in 3 ways, for example, as 238144 + 502681 = 488^2 + 709^2 .

It is not a de Polignac number, because 740825 - 2¹⁴ = 724441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740794 and 740803.

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, 14792 + ... + 14841.

It is an arithmetic number, because the mean of its divisors is an integer number (153109).

2⁷⁴⁰⁸²⁵ is an apocalyptic number.

It is an amenable number.

740825 is a deficient number, since it is larger than the sum of its proper divisors (177829).

740825 is a wasteful number, since it uses less digits than its factorization.

740825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29643 (or 29638 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 740825 is about 860.7119146381. The cubic root of 740825 is about 90.4840178120.

The spelling of 740825 in words is "seven hundred forty thousand, eight hundred twenty-five".