740275265 has 4 divisors (see below), whose sum is σ = 888330324. Its totient is φ = 592220208.

The previous prime is 740275223. The next prime is 740275271. The reversal of 740275265 is 562572047.

It is a happy number.

It is a Cunningham number, because it is equal to 27208²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562572047 = 811 ⋅693677.

It can be written as a sum of positive squares in 2 ways, for example, as 266472976 + 473802289 = 16324^2 + 21767^2 .

It is a cyclic number.

It is not a de Polignac number, because 740275265 - 2²⁴ = 723498049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74027522 + ... + 74027531.

It is an arithmetic number, because the mean of its divisors is an integer number (222082581).

Almost surely, 2^740275265 is an apocalyptic number.

It is an amenable number.

740275265 is a deficient number, since it is larger than the sum of its proper divisors (148055059).

740275265 is a wasteful number, since it uses less digits than its factorization.

740275265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148055058.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 740275265 is about 27208.0000183769. Note that the first 4 decimals coincide. The cubic root of 740275265 is about 904.6163081533.

The spelling of 740275265 in words is "seven hundred forty million, two hundred seventy-five thousand, two hundred sixty-five".