740555345 has 8 divisors (see below), whose sum is σ = 891876264. Its totient is φ = 590304384.

The previous prime is 740555297. The next prime is 740555353. The reversal of 740555345 is 543555047.

It is a happy number.

740555345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10042561 + 730512784 = 3169^2 + 27028^2 .

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 740555345 - 2¹⁴ = 740538961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740555299 and 740555308.

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, 265964 + ... + 268733.

It is an arithmetic number, because the mean of its divisors is an integer number (111484533).

Almost surely, 2^740555345 is an apocalyptic number.

It is an amenable number.

740555345 is a deficient number, since it is larger than the sum of its proper divisors (151320919).

740555345 is a wasteful number, since it uses less digits than its factorization.

740555345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534979.

The product of its (nonzero) digits is 210000, while the sum is 38.

The square root of 740555345 is about 27213.1465472113. The cubic root of 740555345 is about 904.7303796800.

The spelling of 740555345 in words is "seven hundred forty million, five hundred fifty-five thousand, three hundred forty-five".