740011865 has 4 divisors (see below), whose sum is σ = 888014244. Its totient is φ = 592009488.

The previous prime is 740011861. The next prime is 740011919. The reversal of 740011865 is 568110047.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 568110047 = 1601 ⋅354847.

It can be written as a sum of positive squares in 2 ways, for example, as 152967424 + 587044441 = 12368^2 + 24229^2 .

It is a cyclic number.

It is not a de Polignac number, because 740011865 - 2² = 740011861 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740011861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74001182 + ... + 74001191.

It is an arithmetic number, because the mean of its divisors is an integer number (222003561).

Almost surely, 2^740011865 is an apocalyptic number.

It is an amenable number.

740011865 is a deficient number, since it is larger than the sum of its proper divisors (148002379).

740011865 is a wasteful number, since it uses less digits than its factorization.

740011865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148002378.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 740011865 is about 27203.1590996340. The cubic root of 740011865 is about 904.5090038333.

The spelling of 740011865 in words is "seven hundred forty million, eleven thousand, eight hundred sixty-five".