7274253565 has 8 divisors (see below), whose sum is σ = 8773415640. Its totient is φ = 5789861952.

The previous prime is 7274253529. The next prime is 7274253587. The reversal of 7274253565 is 5653524727.

It can be written as a sum of positive squares in 4 ways, for example, as 4138477561 + 3135776004 = 64331^2 + 55998^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7274253565 - 2¹³ = 7274245373 is a prime.

It is a congruent number.

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, 3691530 + ... + 3693499.

It is an arithmetic number, because the mean of its divisors is an integer number (1096676955).

Almost surely, 2^7274253565 is an apocalyptic number.

It is an amenable number.

7274253565 is a deficient number, since it is larger than the sum of its proper divisors (1499162075).

7274253565 is a wasteful number, since it uses less digits than its factorization.

7274253565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7385231.

The product of its digits is 1764000, while the sum is 46.

The square root of 7274253565 is about 85289.2347544519. The cubic root of 7274253565 is about 1937.5941378610.

The spelling of 7274253565 in words is "seven billion, two hundred seventy-four million, two hundred fifty-three thousand, five hundred sixty-five".