743934754644 has 12 divisors (see below), whose sum is σ = 1735847760864. Its totient is φ = 247978251544.

The previous prime is 743934754643. The next prime is 743934754679. The reversal of 743934754644 is 446457439347.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×743934754644³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (743934754643) 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, 30997281432 + ... + 30997281455.

It is an arithmetic number, because the mean of its divisors is an integer number (144653980072).

Almost surely, 2^743934754644 is an apocalyptic number.

It is an amenable number.

743934754644 is an abundant number, since it is smaller than the sum of its proper divisors (991913006220).

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

743934754644 is a wasteful number, since it uses less digits than its factorization.

743934754644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61994562894 (or 61994562892 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 60.

The spelling of 743934754644 in words is "seven hundred forty-three billion, nine hundred thirty-four million, seven hundred fifty-four thousand, six hundred forty-four".