742723044 has 24 divisors (see below), whose sum is σ = 1980595008. Its totient is φ = 212206560.

The previous prime is 742723039. The next prime is 742723087. The reversal of 742723044 is 440327247.

It is a junction number, because it is equal to n+sod(n) for n = 742722996 and 742723014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4420887 + ... + 4421054.

It is an arithmetic number, because the mean of its divisors is an integer number (82524792).

Almost surely, 2^742723044 is an apocalyptic number.

It is an amenable number.

742723044 is an abundant number, since it is smaller than the sum of its proper divisors (1237871964).

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

742723044 is a wasteful number, since it uses less digits than its factorization.

742723044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8841955 (or 8841953 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 33.

The square root of 742723044 is about 27252.9456022647. The cubic root of 742723044 is about 905.6122731197.

The spelling of 742723044 in words is "seven hundred forty-two million, seven hundred twenty-three thousand, forty-four".