740664577715 has 4 divisors (see below), whose sum is σ = 888797493264. Its totient is φ = 592531662168.

The previous prime is 740664577693. The next prime is 740664577717. The reversal of 740664577715 is 517775466047.

740664577715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 517775466047 = 7 ⋅73967923721.

It is a cyclic number.

It is not a de Polignac number, because 740664577715 - 2¹⁶ = 740664512179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740664577717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74066457767 + ... + 74066457776.

It is an arithmetic number, because the mean of its divisors is an integer number (222199373316).

Almost surely, 2^740664577715 is an apocalyptic number.

740664577715 is a deficient number, since it is larger than the sum of its proper divisors (148132915549).

740664577715 is a wasteful number, since it uses less digits than its factorization.

740664577715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148132915548.

The product of its (nonzero) digits is 34574400, while the sum is 59.

The spelling of 740664577715 in words is "seven hundred forty billion, six hundred sixty-four million, five hundred seventy-seven thousand, seven hundred fifteen".