734421342423640 has 32 divisors (see below), whose sum is σ = 1664509684848480. Its totient is φ = 291624241076992.

The previous prime is 734421342423623. The next prime is 734421342423689. The reversal of 734421342423640 is 46324243124437.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67009241092 + ... + 67009252051.

It is an arithmetic number, because the mean of its divisors is an integer number (52015927651515).

Almost surely, 2^{734421342423640} is an apocalyptic number.

It is an amenable number.

734421342423640 is an abundant number, since it is smaller than the sum of its proper divisors (930088342424840).

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

734421342423640 is a wasteful number, since it uses less digits than its factorization.

734421342423640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134018493291 (or 134018493287 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 49.

The spelling of 734421342423640 in words is "seven hundred thirty-four trillion, four hundred twenty-one billion, three hundred forty-two million, four hundred twenty-three thousand, six hundred forty".