742265 has 8 divisors (see below), whose sum is σ = 907848. Its totient is φ = 582400.

The previous prime is 742253. The next prime is 742277. The reversal of 742265 is 562247.

It is an interprime number because it is at equal distance from previous prime (742253) and next prime (742277).

It can be written as a sum of positive squares in 4 ways, for example, as 135424 + 606841 = 368^2 + 779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 742265 - 2⁶ = 742201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 742265.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136 + ... + 1665.

It is an arithmetic number, because the mean of its divisors is an integer number (113481).

2⁷⁴²²⁶⁵ is an apocalyptic number.

It is an amenable number.

742265 is a deficient number, since it is larger than the sum of its proper divisors (165583).

742265 is a wasteful number, since it uses less digits than its factorization.

742265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859.

The product of its digits is 3360, while the sum is 26.

The square root of 742265 is about 861.5480253590. The cubic root of 742265 is about 90.5426068418.

The spelling of 742265 in words is "seven hundred forty-two thousand, two hundred sixty-five".