740403806729 has 4 divisors (see below), whose sum is σ = 740613734784. Its totient is φ = 740193878676.

The previous prime is 740403806693. The next prime is 740403806731. The reversal of 740403806729 is 927608304047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 927608304047 = 29 ⋅31986493243.

It is a cyclic number.

It is not a de Polignac number, because 740403806729 - 2¹⁶ = 740403741193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740403806629) 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, 104958737 + ... + 104965790.

It is an arithmetic number, because the mean of its divisors is an integer number (185153433696).

Almost surely, 2^740403806729 is an apocalyptic number.

It is an amenable number.

740403806729 is a deficient number, since it is larger than the sum of its proper divisors (209928055).

740403806729 is a wasteful number, since it uses less digits than its factorization.

740403806729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209928054.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 740403806729 in words is "seven hundred forty billion, four hundred three million, eight hundred six thousand, seven hundred twenty-nine".