740577067397 has 4 divisors (see below), whose sum is σ = 743811028620. Its totient is φ = 737343106176.

The previous prime is 740577067393. The next prime is 740577067403. The reversal of 740577067397 is 793760775047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 793760775047 = 139 ⋅5710509173.

It can be written as a sum of positive squares in 2 ways, for example, as 587293855201 + 153283212196 = 766351^2 + 391514^2 .

It is a cyclic number.

It is not a de Polignac number, because 740577067397 - 2² = 740577067393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740577067393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616980268 + ... + 1616980725.

It is an arithmetic number, because the mean of its divisors is an integer number (185952757155).

Almost surely, 2^740577067397 is an apocalyptic number.

It is an amenable number.

740577067397 is a deficient number, since it is larger than the sum of its proper divisors (3233961223).

740577067397 is a wasteful number, since it uses less digits than its factorization.

740577067397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233961222.

The product of its (nonzero) digits is 54454680, while the sum is 62.

The spelling of 740577067397 in words is "seven hundred forty billion, five hundred seventy-seven million, sixty-seven thousand, three hundred ninety-seven".