740421643656755 has 8 divisors (see below), whose sum is σ = 889120005549792. Its totient is φ = 591927959484288.

The previous prime is 740421643656719. The next prime is 740421643656757. The reversal of 740421643656755 is 557656346124047.

740421643656755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 740421643656755 - 2¹⁰ = 740421643655731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740421643656691 and 740421643656700.

It is not an unprimeable number, because it can be changed into a prime (740421643656757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51169422182 + ... + 51169436651.

It is an arithmetic number, because the mean of its divisors is an integer number (111140000693724).

Almost surely, 2^{740421643656755} is an apocalyptic number.

740421643656755 is a deficient number, since it is larger than the sum of its proper divisors (148698361893037).

740421643656755 is a wasteful number, since it uses less digits than its factorization.

740421643656755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102338860285.

The product of its (nonzero) digits is 508032000, while the sum is 65.

The spelling of 740421643656755 in words is "seven hundred forty trillion, four hundred twenty-one billion, six hundred forty-three million, six hundred fifty-six thousand, seven hundred fifty-five".