740275263 has 72 divisors (see below), whose sum is σ = 1381266432. Its totient is φ = 373374144.

The previous prime is 740275223. The next prime is 740275271. The reversal of 740275263 is 362572047.

It is a happy number.

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

It is not a de Polignac number, because 740275263 - 2⁸ = 740275007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740275223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 243370 + ... + 246392.

It is an arithmetic number, because the mean of its divisors is an integer number (19184256).

Almost surely, 2^740275263 is an apocalyptic number.

740275263 is a deficient number, since it is larger than the sum of its proper divisors (640991169).

740275263 is a wasteful number, since it uses less digits than its factorization.

740275263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085 (or 3069 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 740275263 is about 27207.9999816231. Note that the first 4 decimals coincide. The cubic root of 740275263 is about 904.6163073386.

The spelling of 740275263 in words is "seven hundred forty million, two hundred seventy-five thousand, two hundred sixty-three".