742994489644 has 24 divisors (see below), whose sum is σ = 1418472993168. Its totient is φ = 337717871040.

The previous prime is 742994489623. The next prime is 742994489711. The reversal of 742994489644 is 446984499247.

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, 2457214 + ... + 2742970.

It is an arithmetic number, because the mean of its divisors is an integer number (59103041382).

Almost surely, 2^742994489644 is an apocalyptic number.

It is an amenable number.

742994489644 is a deficient number, since it is larger than the sum of its proper divisors (675478503524).

742994489644 is a wasteful number, since it uses less digits than its factorization.

742994489644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344865 (or 344863 counting only the distinct ones).

The product of its digits is 501645312, while the sum is 70.

The spelling of 742994489644 in words is "seven hundred forty-two billion, nine hundred ninety-four million, four hundred eighty-nine thousand, six hundred forty-four".