734261260073640 has 128 divisors (see below), whose sum is σ = 2497082827881600. Its totient is φ = 171228536755200.

The previous prime is 734261260073623. The next prime is 734261260073641. The reversal of 734261260073640 is 46370062162437.

It is not an unprimeable number, because it can be changed into a prime (734261260073641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12386293911 + ... + 12386353190.

It is an arithmetic number, because the mean of its divisors is an integer number (19508459592825).

Almost surely, 2^{734261260073640} is an apocalyptic number.

It is an amenable number.

734261260073640 is an abundant number, since it is smaller than the sum of its proper divisors (1762821567807960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

734261260073640 is a wasteful number, since it uses less digits than its factorization.

734261260073640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24772647147 (or 24772647143 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 51.

The spelling of 734261260073640 in words is "seven hundred thirty-four trillion, two hundred sixty-one billion, two hundred sixty million, seventy-three thousand, six hundred forty".